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147312992 = 2531148501
BaseRepresentation
bin10001100011111…
…01000101100000
3101021012021102202
420301331011200
5300203003432
622341232332
73436065641
oct1061750540
9337167382
10147312992
1176177482
12414026a8
132469ab68
14157c96c8
15cded462
hex8c7d160

147312992 has 24 divisors (see below), whose sum is σ = 299380032. Its totient is φ = 71280000.

The previous prime is 147312989. The next prime is 147313003. The reversal of 147312992 is 299213741.

147312992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1473129922 = 43402235223984128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73259 + ... + 75242.

It is an arithmetic number, because the mean of its divisors is an integer number (12474168).

Almost surely, 2147312992 is an apocalyptic number.

It is an amenable number.

147312992 is an abundant number, since it is smaller than the sum of its proper divisors (152067040).

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

147312992 is a wasteful number, since it uses less digits than its factorization.

147312992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148542 (or 148534 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 147312992 is about 12137.2563621273. The cubic root of 147312992 is about 528.1375139222.

The spelling of 147312992 in words is "one hundred forty-seven million, three hundred twelve thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 148501 297002 594004 1188008 2376016 4603531 4752032 9207062 18414124 36828248 73656496 147312992