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25903868 = 226475967
BaseRepresentation
bin110001011010…
…0001011111100
31210202001102112
41202310023330
523112410433
62323113152
7433115324
oct142641374
953661375
1025903868
1113692a61
1288127b8
13549c743
143624284
15241a348
hex18b42fc

25903868 has 6 divisors (see below), whose sum is σ = 45331776. Its totient is φ = 12951932.

The previous prime is 25903861. The next prime is 25903877. The reversal of 25903868 is 86830952.

It is a super-2 number, since 2×259038682 = 1342020754722848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25903861) 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 as a sum of consecutive naturals, namely, 3237980 + ... + 3237987.

It is an arithmetic number, because the mean of its divisors is an integer number (7555296).

Almost surely, 225903868 is an apocalyptic number.

It is an amenable number.

25903868 is a deficient number, since it is larger than the sum of its proper divisors (19427908).

25903868 is a wasteful number, since it uses less digits than its factorization.

25903868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475971 (or 6475969 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 25903868 is about 5089.5842659298. The cubic root of 25903868 is about 295.8840396762.

The spelling of 25903868 in words is "twenty-five million, nine hundred three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 6475967 12951934 25903868