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153155031 = 351051677
BaseRepresentation
bin10010010000011…
…11010111010111
3101200012002012120
421020033113113
5303201430111
623110351023
73536540061
oct1110172727
9350162176
10153155031
11794a7707
124335b473
1325964ca3
14164aa731
15d6a4406
hex920f5d7

153155031 has 4 divisors (see below), whose sum is σ = 204206712. Its totient is φ = 102103352.

The previous prime is 153154993. The next prime is 153155033. The reversal of 153155031 is 130551351.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-153155031 is a prime.

It is a super-2 number, since 2×1531550312 = 46912927041221922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153154992 and 153155010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153155033) 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, 25525836 + ... + 25525841.

It is an arithmetic number, because the mean of its divisors is an integer number (51051678).

Almost surely, 2153155031 is an apocalyptic number.

153155031 is a deficient number, since it is larger than the sum of its proper divisors (51051681).

153155031 is an equidigital number, since it uses as much as digits as its factorization.

153155031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51051680.

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 153155031 is about 12375.5820469180. The cubic root of 153155031 is about 535.0287124661.

The spelling of 153155031 in words is "one hundred fifty-three million, one hundred fifty-five thousand, thirty-one".

Divisors: 1 3 51051677 153155031