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154450132 = 22370110433
BaseRepresentation
bin10010011010010…
…11100011010100
3101202121212202021
421031023203110
5304014401012
623154222524
73553542634
oct1115134324
9352555667
10154450132
117a201741
1243884a44
1325cc9615
14167266c4
15d85d007
hex934b8d4

154450132 has 12 divisors (see below), whose sum is σ = 270386676. Its totient is φ = 77196800.

The previous prime is 154450111. The next prime is 154450139. The reversal of 154450132 is 231054451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 81108036 + 73342096 = 9006^2 + 8564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154450097 and 154450106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154450139) 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 3 ways as a sum of consecutive naturals, for example, 9588 + ... + 20020.

It is an arithmetic number, because the mean of its divisors is an integer number (22532223).

Almost surely, 2154450132 is an apocalyptic number.

It is an amenable number.

154450132 is a deficient number, since it is larger than the sum of its proper divisors (115936544).

154450132 is a wasteful number, since it uses less digits than its factorization.

154450132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14138 (or 14136 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 154450132 is about 12427.7967476138. The cubic root of 154450132 is about 536.5325747226.

The spelling of 154450132 in words is "one hundred fifty-four million, four hundred fifty thousand, one hundred thirty-two".

Divisors: 1 2 4 3701 7402 10433 14804 20866 41732 38612533 77225066 154450132