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139311080 = 23513012677
BaseRepresentation
bin10000100110110…
…11011111101000
3100201010201212122
420103123133220
5241130423310
621453530412
73311060516
oct1023333750
9321121778
10139311080
1171701527
123a7a3a08
1322b288bc
14147054b6
15c36c555
hex84db7e8

139311080 has 32 divisors (see below), whose sum is σ = 313808040. Its totient is φ = 55660800.

The previous prime is 139311079. The next prime is 139311091. The reversal of 139311080 is 80113931.

139311080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22108804 + 117202276 = 4702^2 + 10826^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50702 + ... + 53378.

Almost surely, 2139311080 is an apocalyptic number.

139311080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139311080 is an abundant number, since it is smaller than the sum of its proper divisors (174496960).

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

139311080 is a wasteful number, since it uses less digits than its factorization.

139311080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 139311080 is about 11803.0114801266. The cubic root of 139311080 is about 518.3962919037.

The spelling of 139311080 in words is "one hundred thirty-nine million, three hundred eleven thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 1301 2602 2677 5204 5354 6505 10408 10708 13010 13385 21416 26020 26770 52040 53540 107080 3482777 6965554 13931108 17413885 27862216 34827770 69655540 139311080