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153064139 = 764920011
BaseRepresentation
bin10010001111110…
…01001011001011
3101200000110112012
421013321023023
5303141023024
623104410135
73536011064
oct1107711313
9350013465
10153064139
1179445398
124331694b
13259327c7
141648556b
15d68750e
hex91f92cb

153064139 has 4 divisors (see below), whose sum is σ = 153091800. Its totient is φ = 153036480.

The previous prime is 153064123. The next prime is 153064147. The reversal of 153064139 is 931460351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 153064139 - 24 = 153064123 is a prime.

It is a super-2 number, since 2×1530641392 = 46857261295622642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153064169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357 + ... + 17654.

It is an arithmetic number, because the mean of its divisors is an integer number (38272950).

Almost surely, 2153064139 is an apocalyptic number.

153064139 is a deficient number, since it is larger than the sum of its proper divisors (27661).

153064139 is an equidigital number, since it uses as much as digits as its factorization.

153064139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27660.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 153064139 is about 12371.9092706017. The cubic root of 153064139 is about 534.9228514253.

The spelling of 153064139 in words is "one hundred fifty-three million, sixty-four thousand, one hundred thirty-nine".

Divisors: 1 7649 20011 153064139