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140626157 = 720089451
BaseRepresentation
bin10000110000111…
…00100011101101
3100210121112211012
420120130203231
5242000014112
621542035005
73325205540
oct1030344355
9323545735
10140626157
117241a571
123b118a65
1323199359
1414968857
15c52c022
hex861c8ed

140626157 has 4 divisors (see below), whose sum is σ = 160715616. Its totient is φ = 120536700.

The previous prime is 140626139. The next prime is 140626177. The reversal of 140626157 is 751626041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140626157 - 26 = 140626093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140626177) 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, 10044719 + ... + 10044732.

It is an arithmetic number, because the mean of its divisors is an integer number (40178904).

Almost surely, 2140626157 is an apocalyptic number.

It is an amenable number.

140626157 is a deficient number, since it is larger than the sum of its proper divisors (20089459).

140626157 is an equidigital number, since it uses as much as digits as its factorization.

140626157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20089458.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 140626157 is about 11858.5900089345. The cubic root of 140626157 is about 520.0223819262.

The spelling of 140626157 in words is "one hundred forty million, six hundred twenty-six thousand, one hundred fifty-seven".

Divisors: 1 7 20089451 140626157