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139527472 = 2471245781
BaseRepresentation
bin10000101000100…
…00010100110000
3100201112201201011
420110100110300
5241204334342
621502320304
73312651430
oct1024202460
9321481634
10139527472
117183a067
123a889094
1322ba3246
14147602c0
15c3b1717
hex8510530

139527472 has 20 divisors (see below), whose sum is σ = 308953936. Its totient is φ = 59797440.

The previous prime is 139527467. The next prime is 139527503. The reversal of 139527472 is 274725931.

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, 622779 + ... + 623002.

Almost surely, 2139527472 is an apocalyptic number.

It is an amenable number.

139527472 is an abundant number, since it is smaller than the sum of its proper divisors (169426464).

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

139527472 is a wasteful number, since it uses less digits than its factorization.

139527472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245796 (or 1245790 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 139527472 is about 11812.1747362626. The cubic root of 139527472 is about 518.6645614939.

The spelling of 139527472 in words is "one hundred thirty-nine million, five hundred twenty-seven thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 1245781 2491562 4983124 8720467 9966248 17440934 19932496 34881868 69763736 139527472