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7138134 = 232396563
BaseRepresentation
bin11011001110101101010110
3111102122200100
4123032231112
53311410014
6412554530
7114446613
oct33165526
914378610
107138134
114035a93
122482a46
13162c063
14d3b50a
15960009
hex6ceb56

7138134 has 12 divisors (see below), whose sum is σ = 15465996. Its totient is φ = 2379372.

The previous prime is 7138123. The next prime is 7138169. The reversal of 7138134 is 4318317.

It is a junction number, because it is equal to n+sod(n) for n = 7138098 and 7138107.

It is a congruent 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, 198264 + ... + 198299.

It is an arithmetic number, because the mean of its divisors is an integer number (1288833).

Almost surely, 27138134 is an apocalyptic number.

7138134 is an abundant number, since it is smaller than the sum of its proper divisors (8327862).

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

7138134 is a wasteful number, since it uses less digits than its factorization.

7138134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396571 (or 396568 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 7138134 is about 2671.7286538868. The cubic root of 7138134 is about 192.5432207444.

The spelling of 7138134 in words is "seven million, one hundred thirty-eight thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 396563 793126 1189689 2379378 3569067 7138134