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25566968 = 237456553
BaseRepresentation
bin110000110000…
…1111011111000
31210002221021202
41201201323320
523021120333
62311553332
7430213160
oct141417370
953087252
1025566968
1113482929
12868b848
1353b22ab
1435775a0
1523a05e8
hex1861ef8

25566968 has 16 divisors (see below), whose sum is σ = 54786480. Its totient is φ = 10957248.

The previous prime is 25566911. The next prime is 25566973. The reversal of 25566968 is 86966552.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 228221 + ... + 228332.

It is an arithmetic number, because the mean of its divisors is an integer number (3424155).

Almost surely, 225566968 is an apocalyptic number.

25566968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25566968 is an abundant number, since it is smaller than the sum of its proper divisors (29219512).

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

25566968 is a wasteful number, since it uses less digits than its factorization.

25566968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456566 (or 456562 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 25566968 is about 5056.3789414956. The cubic root of 25566968 is about 294.5957039477.

The spelling of 25566968 in words is "twenty-five million, five hundred sixty-six thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 456553 913106 1826212 3195871 3652424 6391742 12783484 25566968