Search a number
-
+
25813368 = 2332751217
BaseRepresentation
bin110001001111…
…0000101111000
31210120110021200
41202132011320
523102011433
62321134200
7432260430
oct142360570
953513250
1025813368
1113630a69
12878a360
13546a4a9
1435dd2c0
1523ed613
hex189e178

25813368 has 48 divisors (see below), whose sum is σ = 79900080. Its totient is φ = 7375104.

The previous prime is 25813367. The next prime is 25813379. The reversal of 25813368 is 86331852.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25813363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25105 + ... + 26112.

It is an arithmetic number, because the mean of its divisors is an integer number (1664585).

Almost surely, 225813368 is an apocalyptic number.

25813368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25813368 is an abundant number, since it is smaller than the sum of its proper divisors (54086712).

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

25813368 is a wasteful number, since it uses less digits than its factorization.

25813368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51236 (or 51229 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 25813368 is about 5080.6857804828. The cubic root of 25813368 is about 295.5390622346.

The spelling of 25813368 in words is "twenty-five million, eight hundred thirteen thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 51217 102434 153651 204868 307302 358519 409736 460953 614604 717038 921906 1075557 1229208 1434076 1843812 2151114 2868152 3226671 3687624 4302228 6453342 8604456 12906684 25813368