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2856793268 = 227831229257
BaseRepresentation
bin1010101001000111…
…0011010010110100
321101002120010122002
42222101303102310
521322314341033
61151250554432
7130536225230
oct25221632264
97332503562
102856793268
11123664907a
12678898a18
13366b23724
141d15a95c0
1511ac073e8
hexaa4734b4

2856793268 has 24 divisors (see below), whose sum is σ = 5782429632. Its totient is φ = 1209587904.

The previous prime is 2856793253. The next prime is 2856793283. The reversal of 2856793268 is 8623976582.

It is an interprime number because it is at equal distance from previous prime (2856793253) and next prime (2856793283).

It is a super-2 number, since 2×28567932682 = 16322535552180239648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612305 + ... + 616952.

It is an arithmetic number, because the mean of its divisors is an integer number (240934568).

Almost surely, 22856793268 is an apocalyptic number.

2856793268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2856793268 is an abundant number, since it is smaller than the sum of its proper divisors (2925636364).

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

2856793268 is a wasteful number, since it uses less digits than its factorization.

2856793268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229351 (or 1229349 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 2856793268 is about 53448.9781754525. The cubic root of 2856793268 is about 1418.9255358038.

The spelling of 2856793268 in words is "two billion, eight hundred fifty-six million, seven hundred ninety-three thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 83 166 332 581 1162 2324 1229257 2458514 4917028 8604799 17209598 34419196 102028331 204056662 408113324 714198317 1428396634 2856793268