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25250264 = 2313972503
BaseRepresentation
bin110000001010…
…0100111011000
31202111211211222
41200110213120
522431002024
62301111212
7424423634
oct140244730
952454758
1025250264
1113286996
128558508
1353010b0
1434d3dc4
15233b85e
hex18149d8

25250264 has 32 divisors (see below), whose sum is σ = 51532320. Its totient is φ = 11529216.

The previous prime is 25250261. The next prime is 25250299. The reversal of 25250264 is 46205252.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8837 + ... + 11339.

It is an arithmetic number, because the mean of its divisors is an integer number (1610385).

Almost surely, 225250264 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 25250264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25766160).

25250264 is an abundant number, since it is smaller than the sum of its proper divisors (26282056).

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

25250264 is a wasteful number, since it uses less digits than its factorization.

25250264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619 (or 2615 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 25250264 is about 5024.9640794736. The cubic root of 25250264 is about 293.3742378678.

The spelling of 25250264 in words is "twenty-five million, two hundred fifty thousand, two hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 97 104 194 388 776 1261 2503 2522 5006 5044 10012 10088 20024 32539 65078 130156 242791 260312 485582 971164 1942328 3156283 6312566 12625132 25250264