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154325138 = 21112135783
BaseRepresentation
bin10010011001011…
…01000010010010
3101202101112021212
421030231002102
5304001401023
623151420122
73552512342
oct1114550222
9352345255
10154325138
117a126840
1243824642
1325c84766
14166d2d22
15d835e78
hex932d092

154325138 has 16 divisors (see below), whose sum is σ = 252783936. Its totient is φ = 70077840.

The previous prime is 154325131. The next prime is 154325177. The reversal of 154325138 is 831523451.

It is not an unprimeable number, because it can be changed into a prime (154325131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23795 + ... + 29577.

It is an arithmetic number, because the mean of its divisors is an integer number (15798996).

Almost surely, 2154325138 is an apocalyptic number.

154325138 is a deficient number, since it is larger than the sum of its proper divisors (98458798).

154325138 is a wasteful number, since it uses less digits than its factorization.

154325138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009.

The product of its digits is 14400, while the sum is 32.

The square root of 154325138 is about 12422.7669220669. The cubic root of 154325138 is about 536.3877999421.

Adding to 154325138 its reverse (831523451), we get a palindrome (985848589).

The spelling of 154325138 in words is "one hundred fifty-four million, three hundred twenty-five thousand, one hundred thirty-eight".

Divisors: 1 2 11 22 1213 2426 5783 11566 13343 26686 63613 127226 7014779 14029558 77162569 154325138