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1,057,728

1,057,728 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.).

1,057,728 (one million fifty-seven thousand seven hundred twenty-eight) is an even 7-digit number. It is a composite number with 56 divisors, and factors as 2⁶ × 3 × 7 × 787. Its proper divisors sum to 2,144,704, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1023C0.

Abundant Number Evil Number Happy Number Practical Number Refactorable Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
30
Digit product
0
Digital root
3
Palindrome
No
Bit width
21 bits
Reversed
8,277,501
Square (n²)
1,118,788,521,984
Cube (n³)
1,183,373,945,781,092,352
Divisor count
56
σ(n) — sum of divisors
3,202,432
φ(n) — Euler's totient
301,824
Sum of prime factors
809

Primality

Prime factorization: 2 6 × 3 × 7 × 787

Nearest primes: 1,057,703 (−25) · 1,057,739 (+11)

Divisors & multiples

All divisors (56)
1 · 2 · 3 · 4 · 6 · 7 · 8 · 12 · 14 · 16 · 21 · 24 · 28 · 32 · 42 · 48 · 56 · 64 · 84 · 96 · 112 · 168 · 192 · 224 · 336 · 448 · 672 · 787 · 1344 · 1574 · 2361 · 3148 · 4722 · 5509 · 6296 · 9444 · 11018 · 12592 · 16527 · 18888 · 22036 · 25184 · 33054 · 37776 · 44072 · 50368 · 66108 · 75552 · 88144 · 132216 · 151104 · 176288 · 264432 · 352576 · 528864 (half) · 1057728
Aliquot sum (sum of proper divisors): 2,144,704
Factor pairs (a × b = 1,057,728)
1 × 1057728
2 × 528864
3 × 352576
4 × 264432
6 × 176288
7 × 151104
8 × 132216
12 × 88144
14 × 75552
16 × 66108
21 × 50368
24 × 44072
28 × 37776
32 × 33054
42 × 25184
48 × 22036
56 × 18888
64 × 16527
84 × 12592
96 × 11018
112 × 9444
168 × 6296
192 × 5509
224 × 4722
336 × 3148
448 × 2361
672 × 1574
787 × 1344
First multiples
1,057,728 · 2,115,456 (double) · 3,173,184 · 4,230,912 · 5,288,640 · 6,346,368 · 7,404,096 · 8,461,824 · 9,519,552 · 10,577,280

Sums & aliquot sequence

As consecutive integers: 352,575 + 352,576 + 352,577 151,101 + 151,102 + … + 151,107 50,358 + 50,359 + … + 50,378 8,200 + 8,201 + … + 8,327
Aliquot sequence: 1,057,728 → 2,144,704 → 2,537,024 → 3,326,566 → 1,894,298 → 1,371,622 → 979,754 → 666,166 → 336,794 → 195,046 → 97,526 → 81,226 → 47,834 → 23,920 → 38,576 → 36,196 → 27,154 — unresolved within range

Continued fraction of √n

√1,057,728 = [1028; (2, 5, 1, 1, 1, 1, 10, 9, 2, 1, 1, 1, 1, 513, 1, 1, 1, 1, 2, 9, 10, 1, 1, 1, …)]

Period length 28 — the block in parentheses repeats forever.

Representations

In words
one million fifty-seven thousand seven hundred twenty-eight
Ordinal
1057728th
Binary
100000010001111000000
Octal
4021700
Hexadecimal
0x1023C0
Base64
ECPA
One's complement
4,293,909,567 (32-bit)
Scientific notation
1.057728 × 10⁶
As a duration
1,057,728 s = 12 days, 5 hours, 48 minutes, 48 seconds
In other bases
ternary (3) 1222201221010
quaternary (4) 10002033000
quinary (5) 232321403
senary (6) 34400520
septenary (7) 11663520
nonary (9) 1881833
undecimal (11) 662761
duodecimal (12) 430140
tridecimal (13) 2b0599
tetradecimal (14) 1d7680
pentadecimal (15) 15d603

As an angle

1,057,728° = 2,938 × 360° + 48°
48° ≈ 0.838 rad
Compass bearing: NE (northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
一百零五萬七千七百二十八
Chinese (financial)
壹佰零伍萬柒仟柒佰貳拾捌
In other modern scripts
Eastern Arabic ١٠٥٧٧٢٨ Devanagari १०५७७२८ Bengali ১০৫৭৭২৮ Tamil ௧௦௫௭௭௨௮ Thai ๑๐๕๗๗๒๘ Tibetan ༡༠༥༧༧༢༨ Khmer ១០៥៧៧២៨ Lao ໑໐໕໗໗໒໘ Burmese ၁၀၅၇၇၂၈

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1057728, here are decompositions:

  • 29 + 1057699 = 1057728
  • 47 + 1057681 = 1057728
  • 71 + 1057657 = 1057728
  • 97 + 1057631 = 1057728
  • 149 + 1057579 = 1057728
  • 151 + 1057577 = 1057728
  • 167 + 1057561 = 1057728
  • 197 + 1057531 = 1057728

Showing the first eight; more decompositions exist.

Hex color
#1023C0
RGB(16, 35, 192)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.16.35.192.

Address
0.16.35.192
Class
reserved
IPv4-mapped IPv6
::ffff:0.16.35.192

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

Possible date

Could be parsed as a date. Most likely interpretation: Monday, January 5, 7728 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 7728-05-01 (DMMYYYY (Euro, single-digit day))
  • 7728-10-05 (MMDYYYY (US, single-digit day))
  • 7728-05-10 (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 1,057,728 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°.