Search a number
-
+
152106638 = 2417872357
BaseRepresentation
bin10010001000011…
…11011010001110
3101121012211002012
421010033122032
5302414403023
623032101222
73524612405
oct1104173216
9347184065
10152106638
1178950a72
1242b34812
1325688a38
14162b663c
15d548978
hex910f68e

152106638 has 16 divisors (see below), whose sum is σ = 234121104. Its totient is φ = 74072640.

The previous prime is 152106631. The next prime is 152106737. The reversal of 152106638 is 836601251.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152106631) 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, 63356 + ... + 65712.

It is an arithmetic number, because the mean of its divisors is an integer number (14632569).

Almost surely, 2152106638 is an apocalyptic number.

152106638 is a deficient number, since it is larger than the sum of its proper divisors (82014466).

152106638 is a wasteful number, since it uses less digits than its factorization.

152106638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 152106638 is about 12333.1519896578. The cubic root of 152106638 is about 533.8051045237.

Adding to 152106638 its reverse (836601251), we get a palindrome (988707889).

The spelling of 152106638 in words is "one hundred fifty-two million, one hundred six thousand, six hundred thirty-eight".

Divisors: 1 2 41 82 787 1574 2357 4714 32267 64534 96637 193274 1854959 3709918 76053319 152106638