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153064138 = 276532069
BaseRepresentation
bin10010001111110…
…01001011001010
3101200000110112011
421013321023022
5303141023023
623104410134
73536011063
oct1107711312
9350013464
10153064138
1179445397
124331694a
13259327c6
141648556a
15d68750d
hex91f92ca

153064138 has 4 divisors (see below), whose sum is σ = 229596210. Its totient is φ = 76532068.

The previous prime is 153064123. The next prime is 153064147. The reversal of 153064138 is 831460351.

153064138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831460351 = 1889440159.

It can be written as a sum of positive squares in only one way, i.e., 148766809 + 4297329 = 12197^2 + 2073^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38266033 + ... + 38266036.

Almost surely, 2153064138 is an apocalyptic number.

153064138 is a deficient number, since it is larger than the sum of its proper divisors (76532072).

153064138 is an equidigital number, since it uses as much as digits as its factorization.

153064138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76532071.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 153064138 is about 12371.9092301876. The cubic root of 153064138 is about 534.9228502604.

The spelling of 153064138 in words is "one hundred fifty-three million, sixty-four thousand, one hundred thirty-eight".

Divisors: 1 2 76532069 153064138