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152888825 = 5212774789
BaseRepresentation
bin10010001110011…
…10010111111001
3101122200120001002
421013032113321
5303114420300
623100534345
73534351005
oct1107162771
9348616032
10152888825
1179335701
12432513b5
13258a0a7b
141643b705
15d6505d5
hex91ce5f9

152888825 has 12 divisors (see below), whose sum is σ = 189770220. Its totient is φ = 122189760.

The previous prime is 152888821. The next prime is 152888861. The reversal of 152888825 is 528888251.

It can be written as a sum of positive squares in 6 ways, for example, as 15272464 + 137616361 = 3908^2 + 11731^2 .

It is not a de Polignac number, because 152888825 - 22 = 152888821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152888825.

It is not an unprimeable number, because it can be changed into a prime (152888821) 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, 29531 + ... + 34319.

It is an arithmetic number, because the mean of its divisors is an integer number (15814185).

Almost surely, 2152888825 is an apocalyptic number.

It is an amenable number.

152888825 is a deficient number, since it is larger than the sum of its proper divisors (36881395).

152888825 is a wasteful number, since it uses less digits than its factorization.

152888825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076 (or 6071 counting only the distinct ones).

The product of its digits is 409600, while the sum is 47.

The square root of 152888825 is about 12364.8220771671. The cubic root of 152888825 is about 534.7185464587.

The spelling of 152888825 in words is "one hundred fifty-two million, eight hundred eighty-eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 1277 4789 6385 23945 31925 119725 6115553 30577765 152888825