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139876892 = 22231520401
BaseRepresentation
bin10000101011001…
…01101000011100
3100202012111000122
420111211220130
5241302030032
621514014112
73315635231
oct1025455034
9322174018
10139876892
1171a58641
123aa17338
1322c962bc
1414811788
15c430012
hex8565a1c

139876892 has 12 divisors (see below), whose sum is σ = 255427536. Its totient is φ = 66897600.

The previous prime is 139876861. The next prime is 139876897. The reversal of 139876892 is 298678931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139876897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760109 + ... + 760292.

It is an arithmetic number, because the mean of its divisors is an integer number (21285628).

Almost surely, 2139876892 is an apocalyptic number.

It is an amenable number.

139876892 is a deficient number, since it is larger than the sum of its proper divisors (115550644).

139876892 is a wasteful number, since it uses less digits than its factorization.

139876892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520428 (or 1520426 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 139876892 is about 11826.9561595535. The cubic root of 139876892 is about 519.0971661315.

The spelling of 139876892 in words is "one hundred thirty-nine million, eight hundred seventy-six thousand, eight hundred ninety-two".

Divisors: 1 2 4 23 46 92 1520401 3040802 6081604 34969223 69938446 139876892