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157495943 = 1114317813
BaseRepresentation
bin10010110001100…
…11001010000111
3101222100121211002
421120303022013
5310304332233
623343403515
73621456563
oct1130631207
9358317732
10157495943
11809a2040
12448b359b
1326824a87
1416cba6a3
15dc606e8
hex9633287

157495943 has 4 divisors (see below), whose sum is σ = 171813768. Its totient is φ = 143178120.

The previous prime is 157495937. The next prime is 157495951. The reversal of 157495943 is 349594751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349594751 = 1131781341.

It is a cyclic number.

It is not a de Polignac number, because 157495943 - 26 = 157495879 is a prime.

It is a super-2 number, since 2×1574959432 = 49609944122918498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157495043) 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, 7158896 + ... + 7158917.

It is an arithmetic number, because the mean of its divisors is an integer number (42953442).

Almost surely, 2157495943 is an apocalyptic number.

157495943 is a deficient number, since it is larger than the sum of its proper divisors (14317825).

157495943 is a wasteful number, since it uses less digits than its factorization.

157495943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14317824.

The product of its digits is 680400, while the sum is 47.

The square root of 157495943 is about 12549.7387622213. The cubic root of 157495943 is about 540.0365121631.

The spelling of 157495943 in words is "one hundred fifty-seven million, four hundred ninety-five thousand, nine hundred forty-three".

Divisors: 1 11 14317813 157495943