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139272016 = 2413669577
BaseRepresentation
bin10000100110100…
…01111101010000
3100201001202021211
420103101331100
5241123201031
621453025504
73310535602
oct1023217520
9321052254
10139272016
1171685144
123a785294
1322b13ba0
14146d5172
15c360bb1
hex84d1f50

139272016 has 20 divisors (see below), whose sum is σ = 290596852. Its totient is φ = 64279296.

The previous prime is 139272011. The next prime is 139272019. The reversal of 139272016 is 610272931.

It can be written as a sum of positive squares in 2 ways, for example, as 86564416 + 52707600 = 9304^2 + 7260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139272011) 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, 334581 + ... + 334996.

Almost surely, 2139272016 is an apocalyptic number.

139272016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139272016 is an abundant number, since it is smaller than the sum of its proper divisors (151324836).

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

139272016 is a wasteful number, since it uses less digits than its factorization.

139272016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669598 (or 669592 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 139272016 is about 11801.3565321958. The cubic root of 139272016 is about 518.3478331454.

The spelling of 139272016 in words is "one hundred thirty-nine million, two hundred seventy-two thousand, sixteen".

Divisors: 1 2 4 8 13 16 26 52 104 208 669577 1339154 2678308 5356616 8704501 10713232 17409002 34818004 69636008 139272016