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25697048 = 2313247087
BaseRepresentation
bin110001000000…
…1101100011000
31210100112201112
41202001230120
523034301143
62314435452
7431264336
oct142015430
953315645
1025697048
1113561633
128732b88
135429570
1435acb56
1523c8e18
hex1881b18

25697048 has 16 divisors (see below), whose sum is σ = 51888480. Its totient is φ = 11860128.

The previous prime is 25697039. The next prime is 25697051. The reversal of 25697048 is 84079652.

It is a junction number, because it is equal to n+sod(n) for n = 25696996 and 25697014.

It is a congruent number.

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, 123440 + ... + 123647.

It is an arithmetic number, because the mean of its divisors is an integer number (3243030).

Almost surely, 225697048 is an apocalyptic number.

It is an amenable number.

25697048 is an abundant number, since it is smaller than the sum of its proper divisors (26191432).

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

25697048 is a wasteful number, since it uses less digits than its factorization.

25697048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247106 (or 247102 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 25697048 is about 5069.2255818813. The cubic root of 25697048 is about 295.0944751510.

The spelling of 25697048 in words is "twenty-five million, six hundred ninety-seven thousand, forty-eight".

Divisors: 1 2 4 8 13 26 52 104 247087 494174 988348 1976696 3212131 6424262 12848524 25697048