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139711914 = 2327761773
BaseRepresentation
bin10000101001111…
…01010110101010
3100201220002201100
420110331112222
5241231240124
621510302230
73314350236
oct1024752652
9321802640
10139711914
11719556a1
123a957976
1322c39194
14147ab5c6
15c3eb1c9
hex853d5aa

139711914 has 12 divisors (see below), whose sum is σ = 302709186. Its totient is φ = 46570632.

The previous prime is 139711903. The next prime is 139711927. The reversal of 139711914 is 419117931.

139711914 is digitally balanced in base 2, 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 only one way, i.e., 134165889 + 5546025 = 11583^2 + 2355^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3880869 + ... + 3880904.

Almost surely, 2139711914 is an apocalyptic number.

139711914 is an abundant number, since it is smaller than the sum of its proper divisors (162997272).

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

139711914 is a wasteful number, since it uses less digits than its factorization.

139711914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7761781 (or 7761778 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 139711914 is about 11819.9794416065. The cubic root of 139711914 is about 518.8930025455.

It can be divided in two parts, 139711 and 914, that added together give a square (140625 = 3752).

The spelling of 139711914 in words is "one hundred thirty-nine million, seven hundred eleven thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 7761773 15523546 23285319 46570638 69855957 139711914