Search a number
-
+
152689252 = 229724057
BaseRepresentation
bin10010001100111…
…01101001100100
3101122022102021111
421012131221210
5303042024002
623052354404
73532560112
oct1106355144
9348272244
10152689252
1179209771
1243175a04
1325830c91
14163c8ab2
15d6113d7
hex919da64

152689252 has 18 divisors (see below), whose sum is σ = 270055842. Its totient is φ = 75538944.

The previous prime is 152689241. The next prime is 152689261. The reversal of 152689252 is 252986251.

It can be written as a sum of positive squares in 3 ways, for example, as 17757796 + 134931456 = 4214^2 + 11616^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35608 + ... + 39664.

Almost surely, 2152689252 is an apocalyptic number.

It is an amenable number.

152689252 is a deficient number, since it is larger than the sum of its proper divisors (117366590).

152689252 is an equidigital number, since it uses as much as digits as its factorization.

152689252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255 (or 4156 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 152689252 is about 12356.7492488923. The cubic root of 152689252 is about 534.4857806964.

The spelling of 152689252 in words is "one hundred fifty-two million, six hundred eighty-nine thousand, two hundred fifty-two".

Divisors: 1 2 4 97 194 388 4057 8114 9409 16228 18818 37636 393529 787058 1574116 38172313 76344626 152689252