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1,049,640

1,049,640 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.).

1,049,640 (one million forty-nine thousand six hundred forty) is an even 7-digit number. It is a composite number with 32 divisors, and factors as 2³ × 3 × 5 × 8,747. Its proper divisors sum to 2,099,640, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x100428.

Abundant Number Arithmetic Number Evil Number Gapful Number Harshad / Niven Self Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
24
Digit product
0
Digital root
6
Palindrome
No
Bit width
21 bits
Reversed
469,401
Square (n²)
1,101,744,129,600
Cube (n³)
1,156,434,708,193,344,000
Divisor count
32
σ(n) — sum of divisors
3,149,280
φ(n) — Euler's totient
279,872
Sum of prime factors
8,761

Primality

Prime factorization: 2 3 × 3 × 5 × 8747

Nearest primes: 1,049,639 (−1) · 1,049,663 (+23)

Divisors & multiples

All divisors (32)
1 · 2 · 3 · 4 · 5 · 6 · 8 · 10 · 12 · 15 · 20 · 24 · 30 · 40 · 60 · 120 · 8747 · 17494 · 26241 · 34988 · 43735 · 52482 · 69976 · 87470 · 104964 · 131205 · 174940 · 209928 · 262410 · 349880 · 524820 (half) · 1049640
Aliquot sum (sum of proper divisors): 2,099,640
Factor pairs (a × b = 1,049,640)
1 × 1049640
2 × 524820
3 × 349880
4 × 262410
5 × 209928
6 × 174940
8 × 131205
10 × 104964
12 × 87470
15 × 69976
20 × 52482
24 × 43735
30 × 34988
40 × 26241
60 × 17494
120 × 8747
First multiples
1,049,640 · 2,099,280 (double) · 3,148,920 · 4,198,560 · 5,248,200 · 6,297,840 · 7,347,480 · 8,397,120 · 9,446,760 · 10,496,400

Sums & aliquot sequence

As consecutive integers: 349,879 + 349,880 + 349,881 209,926 + 209,927 + 209,928 + 209,929 + 209,930 69,969 + 69,970 + … + 69,983 65,595 + 65,596 + … + 65,610
Aliquot sequence: 1,049,640 2,099,640 4,199,640 8,587,560 17,175,480 45,861,960 94,339,320 198,448,680 396,897,720 835,166,280 2,014,469,880 4,118,202,120 9,238,402,680 22,179,747,720 — keeps growing

Continued fraction of √n

√1,049,640 = [1024; (1, 1, 12, 2, 1, 1, 2, 2, 5, 3, 2, 7, 3, 3, 136, 3, 3, 7, 2, 3, 5, 2, 2, 1, …)]

Period length 30 — the block in parentheses repeats forever.

Representations

In words
one million forty-nine thousand six hundred forty
Ordinal
1049640th
Binary
100000000010000101000
Octal
4002050
Hexadecimal
0x100428
Base64
EAQo
One's complement
4,293,917,655 (32-bit)
Scientific notation
1.04964 × 10⁶
As a duration
1,049,640 s = 12 days, 3 hours, 34 minutes
In other bases
ternary (3) 1222022211120
quaternary (4) 10000100220
quinary (5) 232042030
senary (6) 34255240
septenary (7) 11631114
nonary (9) 1868746
undecimal (11) 657679
duodecimal (12) 427520
tridecimal (13) 2a99b7
tetradecimal (14) 1d4744
pentadecimal (15) 15b010

As an angle

1,049,640° = 2,915 × 360° + 240°
240° ≈ 4.189 rad
Compass bearing: WSW (west-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 ·
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
Chinese
一百零四萬九千六百四十
Chinese (financial)
壹佰零肆萬玖仟陸佰肆拾
In other modern scripts
Eastern Arabic ١٠٤٩٦٤٠ Devanagari १०४९६४० Bengali ১০৪৯৬৪০ Tamil ௧௦௪௯௬௪௦ Thai ๑๐๔๙๖๔๐ Tibetan ༡༠༤༩༦༤༠ Khmer ១០៤៩៦៤០ Lao ໑໐໔໙໖໔໐ Burmese ၁၀၄၉၆၄၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1049640, here are decompositions:

  • 17 + 1049623 = 1049640
  • 29 + 1049611 = 1049640
  • 37 + 1049603 = 1049640
  • 41 + 1049599 = 1049640
  • 71 + 1049569 = 1049640
  • 103 + 1049537 = 1049640
  • 107 + 1049533 = 1049640
  • 113 + 1049527 = 1049640

Showing the first eight; more decompositions exist.

Hex color
#100428
RGB(16, 4, 40)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.16.4.40.

Address
0.16.4.40
Class
reserved
IPv4-mapped IPv6
::ffff:0.16.4.40

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

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 4, 9640 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 9640-04-01 (DMMYYYY (Euro, single-digit day))
  • 9640-10-04 (MMDYYYY (US, single-digit day))
  • 9640-04-10 (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 1,049,640 and was likely granted around 1912.

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°.