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139876896 = 2531457051
BaseRepresentation
bin10000101011001…
…01101000100000
3100202012111000210
420111211220200
5241302030041
621514014120
73315635235
oct1025455040
9322174023
10139876896
1171a58645
123aa17340
1322c962c3
141481178c
15c430016
hex8565a20

139876896 has 24 divisors (see below), whose sum is σ = 367177104. Its totient is φ = 46625600.

The previous prime is 139876861. The next prime is 139876897. The reversal of 139876896 is 698678931.

It is a tau number, because it is divible by the number of its divisors (24).

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, 728430 + ... + 728621.

It is an arithmetic number, because the mean of its divisors is an integer number (15299046).

Almost surely, 2139876896 is an apocalyptic number.

139876896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139876896 is an abundant number, since it is smaller than the sum of its proper divisors (227300208).

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

139876896 is a wasteful number, since it uses less digits than its factorization.

139876896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457064 (or 1457056 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 139876896 is about 11826.9563286587. The cubic root of 139876896 is about 519.0971710796.

The spelling of 139876896 in words is "one hundred thirty-nine million, eight hundred seventy-six thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1457051 2914102 4371153 5828204 8742306 11656408 17484612 23312816 34969224 46625632 69938448 139876896