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25672879 = 109317743
BaseRepresentation
bin110000111101…
…1110010101111
31210022022120101
41201323302233
523033013004
62314131531
7431134021
oct141736257
953268511
1025672879
1113545461
128720ba7
13541b56b
1435a4011
1523c1ba4
hex187bcaf

25672879 has 8 divisors (see below), whose sum is σ = 26025120. Its totient is φ = 25322976.

The previous prime is 25672877. The next prime is 25672901. The reversal of 25672879 is 97827652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25672879 - 21 = 25672877 is a prime.

It is a super-2 number, since 2×256728792 = 1318193432297282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25672877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34182 + ... + 34924.

It is an arithmetic number, because the mean of its divisors is an integer number (3253140).

Almost surely, 225672879 is an apocalyptic number.

25672879 is a deficient number, since it is larger than the sum of its proper divisors (352241).

25672879 is a wasteful number, since it uses less digits than its factorization.

25672879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its digits is 423360, while the sum is 46.

The square root of 25672879 is about 5066.8411263824. The cubic root of 25672879 is about 295.0019304671.

The spelling of 25672879 in words is "twenty-five million, six hundred seventy-two thousand, eight hundred seventy-nine".

Divisors: 1 109 317 743 34553 80987 235531 25672879