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268896825 = 32525322549
BaseRepresentation
bin10000000001110…
…000101000111001
3200201222101002200
4100001300220321
51022314144300
642403220413
76443404521
oct2001605071
9621871080
10268896825
1112887018a
1276077709
134392a962
14279d8681
1518918200
hex10070a39

268896825 has 36 divisors (see below), whose sum is σ = 490733100. Its totient is φ = 140699520.

The previous prime is 268896811. The next prime is 268896827. The reversal of 268896825 is 528698862.

It can be written as a sum of positive squares in 6 ways, for example, as 26378496 + 242518329 = 5136^2 + 15573^2 .

It is not a de Polignac number, because 268896825 - 219 = 268372537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268896827) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 651 + ... + 23199.

It is an arithmetic number, because the mean of its divisors is an integer number (13631475).

Almost surely, 2268896825 is an apocalyptic number.

268896825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

268896825 is a deficient number, since it is larger than the sum of its proper divisors (221836275).

268896825 is a wasteful number, since it uses less digits than its factorization.

268896825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22618 (or 22610 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 268896825 is about 16398.0738198119. The cubic root of 268896825 is about 645.4489393002.

The spelling of 268896825 in words is "two hundred sixty-eight million, eight hundred ninety-six thousand, eight hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 53 75 159 225 265 477 795 1325 2385 3975 11925 22549 67647 112745 202941 338235 563725 1014705 1195097 1691175 3585291 5073525 5975485 10755873 17926455 29877425 53779365 89632275 268896825