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25938328 = 2313172863
BaseRepresentation
bin110001011110…
…0100110011000
31210210210200211
41202330212120
523120011303
62323540504
7433320643
oct142744630
953723624
1025938328
1113706939
12882a734
1354b2330
143632a5a
15242566d
hex18bc998

25938328 has 48 divisors (see below), whose sum is σ = 55702080. Its totient is φ = 11254272.

The previous prime is 25938317. The next prime is 25938343. The reversal of 25938328 is 82383952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29625 + ... + 30487.

It is an arithmetic number, because the mean of its divisors is an integer number (1160460).

Almost surely, 225938328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25938328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27851040).

25938328 is an abundant number, since it is smaller than the sum of its proper divisors (29763752).

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

25938328 is a wasteful number, since it uses less digits than its factorization.

25938328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 895 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 25938328 is about 5092.9684860600. The cubic root of 25938328 is about 296.0151867056.

The spelling of 25938328 in words is "twenty-five million, nine hundred thirty-eight thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 289 442 578 863 884 1156 1726 1768 2312 3452 3757 6904 7514 11219 14671 15028 22438 29342 30056 44876 58684 89752 117368 190723 249407 381446 498814 762892 997628 1525784 1995256 3242291 6484582 12969164 25938328