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157344558 = 2373746299
BaseRepresentation
bin10010110000011…
…10001100101110
3101222001221011020
421120032030232
5310240011213
623340235010
73620256330
oct1130161456
9358057136
10157344558
11808a9328
124483ba66
13267a0bb7
1416c7b450
15dc30923
hex960e32e

157344558 has 16 divisors (see below), whose sum is σ = 359644800. Its totient is φ = 44955576.

The previous prime is 157344557. The next prime is 157344581. The reversal of 157344558 is 855443751.

It is a happy number.

157344558 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3746299 = 157344558 / (1 + 5 + 7 + 3 + 4 + 4 + 5 + 5 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157344557) 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 7 ways as a sum of consecutive naturals, for example, 1873108 + ... + 1873191.

It is an arithmetic number, because the mean of its divisors is an integer number (22477800).

Almost surely, 2157344558 is an apocalyptic number.

157344558 is an abundant number, since it is smaller than the sum of its proper divisors (202300242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157344558 is a wasteful number, since it uses less digits than its factorization.

157344558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746311.

The product of its digits is 336000, while the sum is 42.

The square root of 157344558 is about 12543.7059117312. The cubic root of 157344558 is about 539.8634291117.

The spelling of 157344558 in words is "one hundred fifty-seven million, three hundred forty-four thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 7 14 21 42 3746299 7492598 11238897 22477794 26224093 52448186 78672279 157344558