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152930371 = 1113902761
BaseRepresentation
bin10010001110110…
…00100001000011
3101122202200000211
421013120201003
5303122232441
623101454551
73534613066
oct1107304103
9348680024
10152930371
1179363940
1243271457
13258b6959
141644c8dd
15d65ca81
hex91d8843

152930371 has 4 divisors (see below), whose sum is σ = 166833144. Its totient is φ = 139027600.

The previous prime is 152930363. The next prime is 152930389. The reversal of 152930371 is 173039251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152930371 - 23 = 152930363 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152930321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6951370 + ... + 6951391.

It is an arithmetic number, because the mean of its divisors is an integer number (41708286).

Almost surely, 2152930371 is an apocalyptic number.

152930371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

152930371 is a deficient number, since it is larger than the sum of its proper divisors (13902773).

152930371 is a wasteful number, since it uses less digits than its factorization.

152930371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13902772.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 152930371 is about 12366.5019710507. The cubic root of 152930371 is about 534.7669768673.

The spelling of 152930371 in words is "one hundred fifty-two million, nine hundred thirty thousand, three hundred seventy-one".

Divisors: 1 11 13902761 152930371