Search a number
-
+
152196538 = 21345712809
BaseRepresentation
bin10010001001001…
…01010110111010
3101121101101101211
421010211112322
5302430242123
623034033334
73525435454
oct1104452672
9347341354
10152196538
1178a0256a
1242b7884a
13256ba930
14162db2d4
15d56540d
hex91255ba

152196538 has 16 divisors (see below), whose sum is σ = 246413160. Its totient is φ = 70085376.

The previous prime is 152196533. The next prime is 152196557. The reversal of 152196538 is 835691251.

It can be written as a sum of positive squares in 4 ways, for example, as 119968209 + 32228329 = 10953^2 + 5677^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 152196538.

It is not an unprimeable number, because it can be changed into a prime (152196533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5478 + ... + 18286.

Almost surely, 2152196538 is an apocalyptic number.

152196538 is a deficient number, since it is larger than the sum of its proper divisors (94216622).

152196538 is a wasteful number, since it uses less digits than its factorization.

152196538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13281.

The product of its digits is 64800, while the sum is 40.

The square root of 152196538 is about 12336.7960994741. The cubic root of 152196538 is about 533.9102492394.

The spelling of 152196538 in words is "one hundred fifty-two million, one hundred ninety-six thousand, five hundred thirty-eight".

Divisors: 1 2 13 26 457 914 5941 11882 12809 25618 166517 333034 5853713 11707426 76098269 152196538