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139592228 = 2289392113
BaseRepresentation
bin10000101001000…
…00001000100100
3100201200000112112
420110200020210
5241213422403
621503540152
73313341266
oct1024401044
9321600475
10139592228
1171883786
123a8ba658
1322bc6869
1414779b36
15c3c59d8
hex8520224

139592228 has 12 divisors (see below), whose sum is σ = 247031820. Its totient is φ = 69011712.

The previous prime is 139592227. The next prime is 139592237. The reversal of 139592228 is 822295931.

It can be written as a sum of positive squares in 2 ways, for example, as 32924644 + 106667584 = 5738^2 + 10328^2 .

It is not an unprimeable number, because it can be changed into a prime (139592227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195701 + ... + 196412.

It is an arithmetic number, because the mean of its divisors is an integer number (20585985).

Almost surely, 2139592228 is an apocalyptic number.

It is an amenable number.

139592228 is a deficient number, since it is larger than the sum of its proper divisors (107439592).

139592228 is a wasteful number, since it uses less digits than its factorization.

139592228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392206 (or 392204 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 139592228 is about 11814.9154884832. The cubic root of 139592228 is about 518.7447881027.

The spelling of 139592228 in words is "one hundred thirty-nine million, five hundred ninety-two thousand, two hundred twenty-eight".

Divisors: 1 2 4 89 178 356 392113 784226 1568452 34898057 69796114 139592228