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150860857 = 724496857
BaseRepresentation
bin10001111110111…
…11010000111001
3101111212112012011
420333133100321
5302110021412
622545245521
73511203400
oct1077372071
9344775164
10150860857
117817aaa4
12426338a1
13253409a4
1416070637
15d39e7a7
hex8fdf439

150860857 has 12 divisors (see below), whose sum is σ = 175907700. Its totient is φ = 129002496.

The previous prime is 150860833. The next prime is 150860881. The reversal of 150860857 is 758068051.

It is an interprime number because it is at equal distance from previous prime (150860833) and next prime (150860881).

It can be written as a sum of positive squares in 2 ways, for example, as 33593616 + 117267241 = 5796^2 + 10829^2 .

It is a de Polignac number, because none of the positive numbers 2k-150860857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150860557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18573 + ... + 25429.

It is an arithmetic number, because the mean of its divisors is an integer number (14658975).

Almost surely, 2150860857 is an apocalyptic number.

It is an amenable number.

150860857 is a deficient number, since it is larger than the sum of its proper divisors (25046843).

150860857 is an equidigital number, since it uses as much as digits as its factorization.

150860857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320 (or 7313 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 150860857 is about 12282.5427741979. The cubic root of 150860857 is about 532.3437874861.

The spelling of 150860857 in words is "one hundred fifty million, eight hundred sixty thousand, eight hundred fifty-seven".

Divisors: 1 7 49 449 3143 6857 22001 47999 335993 3078793 21551551 150860857