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147139132 = 22749910531
BaseRepresentation
bin10001100010100…
…10101000111100
3101020212102221111
420301102220330
5300131423012
622333411404
73434443030
oct1061225074
9336772844
10147139132
1176068898
1241339b64
132463999a
14157821c0
15cdb6ba7
hex8c52a3c

147139132 has 24 divisors (see below), whose sum is σ = 294896000. Its totient is φ = 62927280.

The previous prime is 147139067. The next prime is 147139133. The reversal of 147139132 is 231931741.

It is a junction number, because it is equal to n+sod(n) for n = 147139094 and 147139103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147139133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8707 + ... + 19237.

Almost surely, 2147139132 is an apocalyptic number.

It is an amenable number.

147139132 is an abundant number, since it is smaller than the sum of its proper divisors (147756868).

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

147139132 is a wasteful number, since it uses less digits than its factorization.

147139132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041 (or 11039 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 147139132 is about 12130.0920029487. The cubic root of 147139132 is about 527.9296613907.

The spelling of 147139132 in words is "one hundred forty-seven million, one hundred thirty-nine thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 499 998 1996 3493 6986 10531 13972 21062 42124 73717 147434 294868 5254969 10509938 21019876 36784783 73569566 147139132