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139825792 = 271092389
BaseRepresentation
bin10000101010110…
…01001010000000
3100202002212221001
420111121022000
5241243411132
621512541344
73315333241
oct1025311200
9322085831
10139825792
1171a23207
123a9b1854
1322c78c72
14147dacc8
15c41ece7
hex8559280

139825792 has 16 divisors (see below), whose sum is σ = 278559450. Its totient is φ = 69912832.

The previous prime is 139825789. The next prime is 139825823. The reversal of 139825792 is 297528931.

It can be written as a sum of positive squares in only one way, i.e., 139617856 + 207936 = 11816^2 + 456^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546067 + ... + 546322.

Almost surely, 2139825792 is an apocalyptic number.

It is an amenable number.

139825792 is a deficient number, since it is larger than the sum of its proper divisors (138733658).

139825792 is an equidigital number, since it uses as much as digits as its factorization.

139825792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092403 (or 1092391 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 139825792 is about 11824.7956430545. The cubic root of 139825792 is about 519.0339460251.

The spelling of 139825792 in words is "one hundred thirty-nine million, eight hundred twenty-five thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 128 1092389 2184778 4369556 8739112 17478224 34956448 69912896 139825792