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2056831560 = 233257816203
BaseRepresentation
bin111101010011000…
…1100001001001000
312022100021212110200
41322212030021020
513203022102220
6540033012200
7101653531320
oct17246141110
95270255420
102056831560
11966033aa3
124949b4060
1326a1850c4
14157250280
15c088b890
hex7a98c248

2056831560 has 96 divisors (see below), whose sum is σ = 7639669440. Its totient is φ = 470132352.

The previous prime is 2056831519. The next prime is 2056831577. The reversal of 2056831560 is 651386502.

2056831560 is a `hidden beast` number, since 2 + 0 + 5 + 68 + 31 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405582 + ... + 410621.

It is an arithmetic number, because the mean of its divisors is an integer number (79579890).

Almost surely, 22056831560 is an apocalyptic number.

2056831560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056831560 is an abundant number, since it is smaller than the sum of its proper divisors (5582837880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2056831560 is a wasteful number, since it uses less digits than its factorization.

2056831560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816227 (or 816220 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 2056831560 is about 45352.3049028382. The cubic root of 2056831560 is about 1271.7436441967.

The spelling of 2056831560 in words is "two billion, fifty-six million, eight hundred thirty-one thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 840 1260 2520 816203 1632406 2448609 3264812 4081015 4897218 5713421 6529624 7345827 8162030 9794436 11426842 12243045 14691654 16324060 17140263 19588872 22853684 24486090 28567105 29383308 32648120 34280526 36729135 45707368 48972180 51420789 57134210 58766616 68561052 73458270 85701315 97944360 102841578 114268420 137122104 146916540 171402630 205683156 228536840 257103945 293833080 342805260 411366312 514207890 685610520 1028415780 2056831560