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25740868 = 2212750671
BaseRepresentation
bin110001000110…
…0011001000100
31210102202211111
41202030121010
523042201433
62315414404
7431536156
oct142143104
953382744
1025740868
111359154a
128754404
1354434aa
1435c0ad6
1523d6dcd
hex188c644

25740868 has 12 divisors (see below), whose sum is σ = 45402112. Its totient is φ = 12768840.

The previous prime is 25740859. The next prime is 25740899. The reversal of 25740868 is 86804752.

It is a self number, because there is not a number n which added to its sum of digits gives 25740868.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24828 + ... + 25843.

Almost surely, 225740868 is an apocalyptic number.

It is an amenable number.

25740868 is a deficient number, since it is larger than the sum of its proper divisors (19661244).

25740868 is a wasteful number, since it uses less digits than its factorization.

25740868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50802 (or 50800 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 25740868 is about 5073.5459000585. The cubic root of 25740868 is about 295.2621169312.

The spelling of 25740868 in words is "twenty-five million, seven hundred forty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 127 254 508 50671 101342 202684 6435217 12870434 25740868