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25112052 = 2233759563
BaseRepresentation
bin101111111001…
…0110111110100
31202020211021000
41133302313310
522412041202
62254123300
7423306660
oct137626764
952224230
1025112052
11131a2069
1284b0530
135283204
1434998a0
15231091c
hex17f2df4

25112052 has 96 divisors (see below), whose sum is σ = 75801600. Its totient is φ = 7040736.

The previous prime is 25112047. The next prime is 25112063. The reversal of 25112052 is 25021152.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44323 + ... + 44885.

It is an arithmetic number, because the mean of its divisors is an integer number (789600).

Almost surely, 225112052 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 25112052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37900800).

25112052 is an abundant number, since it is smaller than the sum of its proper divisors (50689548).

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

25112052 is a wasteful number, since it uses less digits than its factorization.

25112052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 25112052 is about 5011.1926724084. The cubic root of 25112052 is about 292.8379788145.

The spelling of 25112052 in words is "twenty-five million, one hundred twelve thousand, fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 59 63 84 108 118 126 177 189 236 252 354 378 413 531 563 708 756 826 1062 1126 1239 1593 1652 1689 2124 2252 2478 3186 3378 3717 3941 4956 5067 6372 6756 7434 7882 10134 11151 11823 14868 15201 15764 20268 22302 23646 30402 33217 35469 44604 47292 60804 66434 70938 99651 106407 132868 141876 199302 212814 232519 298953 398604 425628 465038 597906 697557 896859 930076 1195812 1395114 1793718 2092671 2790228 3587436 4185342 6278013 8370684 12556026 25112052