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1,013,840

1,013,840 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

1,013,840 (one million thirteen thousand eight hundred forty) is an even 7-digit number. It is a composite number with 80 divisors, and factors as 2⁴ × 5 × 19 × 23 × 29. Its proper divisors sum to 1,664,560, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF7850.

Abundant Number Arithmetic Number Evil Number Gapful Number Happy Number Practical Number Refactorable Number Weird Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
17
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
483,101
Square (n²)
1,027,871,545,600
Cube (n³)
1,042,097,287,791,104,000
Divisor count
80
σ(n) — sum of divisors
2,678,400
φ(n) — Euler's totient
354,816
Sum of prime factors
84

Primality

Prime factorization: 2 4 × 5 × 19 × 23 × 29

Nearest primes: 1,013,839 (−1) · 1,013,843 (+3)

Divisors & multiples

All divisors (80)
1 · 2 · 4 · 5 · 8 · 10 · 16 · 19 · 20 · 23 · 29 · 38 · 40 · 46 · 58 · 76 · 80 · 92 · 95 · 115 · 116 · 145 · 152 · 184 · 190 · 230 · 232 · 290 · 304 · 368 · 380 · 437 · 460 · 464 · 551 · 580 · 667 · 760 · 874 · 920 · 1102 · 1160 · 1334 · 1520 · 1748 · 1840 · 2185 · 2204 · 2320 · 2668 · 2755 · 3335 · 3496 · 4370 · 4408 · 5336 · 5510 · 6670 · 6992 · 8740 · 8816 · 10672 · 11020 · 12673 · 13340 · 17480 · 22040 · 25346 · 26680 · 34960 · 44080 · 50692 · 53360 · 63365 · 101384 · 126730 · 202768 · 253460 · 506920 (half) · 1013840
Aliquot sum (sum of proper divisors): 1,664,560
Factor pairs (a × b = 1,013,840)
1 × 1013840
2 × 506920
4 × 253460
5 × 202768
8 × 126730
10 × 101384
16 × 63365
19 × 53360
20 × 50692
23 × 44080
29 × 34960
38 × 26680
40 × 25346
46 × 22040
58 × 17480
76 × 13340
80 × 12673
92 × 11020
95 × 10672
115 × 8816
116 × 8740
145 × 6992
152 × 6670
184 × 5510
190 × 5336
230 × 4408
232 × 4370
290 × 3496
304 × 3335
368 × 2755
380 × 2668
437 × 2320
460 × 2204
464 × 2185
551 × 1840
580 × 1748
667 × 1520
760 × 1334
874 × 1160
920 × 1102
First multiples
1,013,840 · 2,027,680 (double) · 3,041,520 · 4,055,360 · 5,069,200 · 6,083,040 · 7,096,880 · 8,110,720 · 9,124,560 · 10,138,400

Sums & aliquot sequence

As consecutive integers: 202,766 + 202,767 + 202,768 + 202,769 + 202,770 53,351 + 53,352 + … + 53,369 44,069 + 44,070 + … + 44,091 34,946 + 34,947 + … + 34,974
Aliquot sequence: 1,013,840 1,664,560 2,205,728 2,894,752 3,618,944 4,782,286 2,446,298 1,223,152 1,542,544 1,466,316 2,335,524 3,422,172 5,177,524 4,706,924 3,559,180 3,955,460 4,351,048 — unresolved within range

Continued fraction of √n

√1,013,840 = [1006; (1, 8, 1, 1, 1, 2, 1, 15, 1, 10, 1, 40, 5, 1, 1, 30, 1, 11, 1, 1, 5, 1, 3, 1, …)]

Period length 54 — the block in parentheses repeats forever.

Representations

In words
one million thirteen thousand eight hundred forty
Ordinal
1013840th
Binary
11110111100001010000
Octal
3674120
Hexadecimal
0xF7850
Base64
D3hQ
One's complement
4,293,953,455 (32-bit)
Scientific notation
1.01384 × 10⁶
As a duration
1,013,840 s = 11 days, 17 hours, 37 minutes, 20 seconds
In other bases
ternary (3) 1220111201122
quaternary (4) 3313201100
quinary (5) 224420330
senary (6) 33421412
septenary (7) 11421542
nonary (9) 1814648
undecimal (11) 632793
duodecimal (12) 40a868
tridecimal (13) 296609
tetradecimal (14) 1c5692
pentadecimal (15) 1505e5

As an angle

1,013,840° = 2,816 × 360° + 80°
80° ≈ 1.396 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
Chinese
一百零一萬三千八百四十
Chinese (financial)
壹佰零壹萬參仟捌佰肆拾
In other modern scripts
Eastern Arabic ١٠١٣٨٤٠ Devanagari १०१३८४० Bengali ১০১৩৮৪০ Tamil ௧௦௧௩௮௪௦ Thai ๑๐๑๓๘๔๐ Tibetan ༡༠༡༣༨༤༠ Khmer ១០១៣៨៤០ Lao ໑໐໑໓໘໔໐ Burmese ၁၀၁၃၈၄၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1013840, here are decompositions:

  • 7 + 1013833 = 1013840
  • 13 + 1013827 = 1013840
  • 67 + 1013773 = 1013840
  • 73 + 1013767 = 1013840
  • 127 + 1013713 = 1013840
  • 199 + 1013641 = 1013840
  • 211 + 1013629 = 1013840
  • 271 + 1013569 = 1013840

Showing the first eight; more decompositions exist.

Hex color
#0F7850
RGB(15, 120, 80)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.120.80.

Address
0.15.120.80
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.120.80

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 1, 3840 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 3840-10-01 (MMDYYYY (US, single-digit day))
  • 3840-01-10 (DDMYYYY (Euro, single-digit month))
Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,013,840 and was likely granted around 1911.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.