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25768494 = 2325327011
BaseRepresentation
bin110001001001…
…1001000101110
31210111011201200
41202103020232
523044042434
62320150330
7432012543
oct142231056
953434650
1025768494
1113600284
1287683a6
135452c3b
1435cabca
1523e0199
hex189322e

25768494 has 24 divisors (see below), whose sum is σ = 56887272. Its totient is φ = 8427120.

The previous prime is 25768469. The next prime is 25768499. The reversal of 25768494 is 49486752.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25768499) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12552 + ... + 14459.

It is an arithmetic number, because the mean of its divisors is an integer number (2370303).

Almost surely, 225768494 is an apocalyptic number.

25768494 is an abundant number, since it is smaller than the sum of its proper divisors (31118778).

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

25768494 is a wasteful number, since it uses less digits than its factorization.

25768494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27072 (or 27069 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 25768494 is about 5076.2677234362. The cubic root of 25768494 is about 295.3677077099.

It can be divided in two parts, 25768 and 494, that added together give a palindrome (26262).

The spelling of 25768494 in words is "twenty-five million, seven hundred sixty-eight thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 27011 54022 81033 162066 243099 486198 1431583 2863166 4294749 8589498 12884247 25768494