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25795972 = 22231991409
BaseRepresentation
bin110001001100…
…1110110000100
31210112120102101
41202121312010
523100432342
62320521444
7432155626
oct142316604
953476371
1025795972
1113619994
128780284
1354625b7
1435d6c16
1523e83b7
hex1899d84

25795972 has 24 divisors (see below), whose sum is σ = 47376000. Its totient is φ = 12266496.

The previous prime is 25795969. The next prime is 25796003. The reversal of 25795972 is 27959752.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17604 + ... + 19012.

It is an arithmetic number, because the mean of its divisors is an integer number (1974000).

Almost surely, 225795972 is an apocalyptic number.

It is an amenable number.

25795972 is a deficient number, since it is larger than the sum of its proper divisors (21580028).

25795972 is a wasteful number, since it uses less digits than its factorization.

25795972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635 (or 1633 counting only the distinct ones).

The product of its digits is 396900, while the sum is 46.

The square root of 25795972 is about 5078.9735183401. The cubic root of 25795972 is about 295.4726579737.

The spelling of 25795972 in words is "twenty-five million, seven hundred ninety-five thousand, nine hundred seventy-two".

Divisors: 1 2 4 23 46 92 199 398 796 1409 2818 4577 5636 9154 18308 32407 64814 129628 280391 560782 1121564 6448993 12897986 25795972