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152843139 = 336538669
BaseRepresentation
bin10010001110000…
…11001110000011
3101122121020101000
421013003032003
5303111440024
623055543043
73534100551
oct1107031603
9348536330
10152843139
1179304349
124322aa83
1325886037
1416428bd1
15d641cc9
hex91c3383

152843139 has 16 divisors (see below), whose sum is σ = 226807200. Its totient is φ = 101727648.

The previous prime is 152843123. The next prime is 152843143. The reversal of 152843139 is 931348251.

It is not a de Polignac number, because 152843139 - 24 = 152843123 is a prime.

It is a super-2 number, since 2×1528431392 = 46722050278746642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152843539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13297 + ... + 21965.

It is an arithmetic number, because the mean of its divisors is an integer number (14175450).

Almost surely, 2152843139 is an apocalyptic number.

152843139 is a deficient number, since it is larger than the sum of its proper divisors (73964061).

152843139 is an equidigital number, since it uses as much as digits as its factorization.

152843139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9331 (or 9325 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 152843139 is about 12362.9745207211. The cubic root of 152843139 is about 534.6652798990.

The spelling of 152843139 in words is "one hundred fifty-two million, eight hundred forty-three thousand, one hundred thirty-nine".

Divisors: 1 3 9 27 653 1959 5877 8669 17631 26007 78021 234063 5660857 16982571 50947713 152843139