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139427104 = 2523189439
BaseRepresentation
bin10000100111101…
…11110100100000
3100201100122000211
420103313310200
5241143131404
621500223504
73312053005
oct1023676440
9321318024
10139427104
1171780713
123a83ab94
1322b6965b
14147358ac
15c391b04
hex84f7d20

139427104 has 24 divisors (see below), whose sum is σ = 286433280. Its totient is φ = 66682176.

The previous prime is 139427033. The next prime is 139427117. The reversal of 139427104 is 401724931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93984 + ... + 95455.

It is an arithmetic number, because the mean of its divisors is an integer number (11934720).

Almost surely, 2139427104 is an apocalyptic number.

It is an amenable number.

139427104 is an abundant number, since it is smaller than the sum of its proper divisors (147006176).

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

139427104 is a wasteful number, since it uses less digits than its factorization.

139427104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189472 (or 189464 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 139427104 is about 11807.9254740196. The cubic root of 139427104 is about 518.5401658909.

The spelling of 139427104 in words is "one hundred thirty-nine million, four hundred twenty-seven thousand, one hundred four".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 189439 378878 757756 1515512 3031024 4357097 6062048 8714194 17428388 34856776 69713552 139427104