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25671268 = 227916831
BaseRepresentation
bin110000111101…
…1011001100100
31210022020100201
41201323121210
523032440033
62314120244
7431126230
oct141733144
953266321
1025671268
1113544227
128720084
13541a8cc
1435a35c0
1523c147d
hex187b664

25671268 has 12 divisors (see below), whose sum is σ = 51342592. Its totient is φ = 11001960.

The previous prime is 25671263. The next prime is 25671281. The reversal of 25671268 is 86217652.

It is a happy number.

25671268 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25671263) by changing a digit.

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, 458388 + ... + 458443.

Almost surely, 225671268 is an apocalyptic number.

25671268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25671268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25671268 is a wasteful number, since it uses less digits than its factorization.

25671268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916842 (or 916840 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 25671268 is about 5066.6821490992. The cubic root of 25671268 is about 294.9957597782.

The spelling of 25671268 in words is "twenty-five million, six hundred seventy-one thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 916831 1833662 3667324 6417817 12835634 25671268