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25116328 = 2319373443
BaseRepresentation
bin101111111001…
…1111010101000
31202021001010101
41133303322220
522412210303
62254155144
7423325306
oct137637250
952231111
1025116328
11131a52a6
1284b2ab4
135285143
14349b276
152311d1d
hex17f3ea8

25116328 has 32 divisors (see below), whose sum is σ = 49816800. Its totient is φ = 11838528.

The previous prime is 25116319. The next prime is 25116331. The reversal of 25116328 is 82361152.

25116328 is a nontrivial binomial coefficient, being equal to C(7088, 2).

It is a junction number, because it is equal to n+sod(n) for n = 25116296 and 25116305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56475 + ... + 56917.

It is an arithmetic number, because the mean of its divisors is an integer number (1556775).

Almost surely, 225116328 is an apocalyptic number.

25116328 is the 7087-th triangular number and also the 3544-th hexagonal number.

25116328 is the 2363-rd centered nonagonal number.

It is an amenable number.

25116328 is a deficient number, since it is larger than the sum of its proper divisors (24700472).

25116328 is a wasteful number, since it uses less digits than its factorization.

25116328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 837 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 25116328 is about 5011.6192991886. The cubic root of 25116328 is about 292.8545990431.

The spelling of 25116328 in words is "twenty-five million, one hundred sixteen thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 19 38 76 152 373 443 746 886 1492 1772 2984 3544 7087 8417 14174 16834 28348 33668 56696 67336 165239 330478 660956 1321912 3139541 6279082 12558164 25116328