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152857938 = 2325476323
BaseRepresentation
bin10010001110001…
…10110101010010
3101122121222200010
421013012311102
5303112423223
623100135350
73534161652
oct1107066522
9348558603
10152857938
1179314482
1243237556
132588c9ac
1416430362
15d646393
hex91c6d52

152857938 has 8 divisors (see below), whose sum is σ = 305715888. Its totient is φ = 50952644.

The previous prime is 152857937. The next prime is 152857949. The reversal of 152857938 is 839758251.

It is a sphenic number, since it is the product of 3 distinct primes.

152857938 is an admirable number.

It is a super-2 number, since 2×1528579382 = 46731098419223688, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152857937) 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, 12738156 + ... + 12738167.

It is an arithmetic number, because the mean of its divisors is an integer number (38214486).

Almost surely, 2152857938 is an apocalyptic number.

152857938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

152857938 is a wasteful number, since it uses less digits than its factorization.

152857938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25476328.

The product of its digits is 604800, while the sum is 48.

The square root of 152857938 is about 12363.5730272442. The cubic root of 152857938 is about 534.6825356209.

The spelling of 152857938 in words is "one hundred fifty-two million, eight hundred fifty-seven thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 25476323 50952646 76428969 152857938