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10138536 = 2332140813
BaseRepresentation
bin100110101011…
…001110101000
3201002002110100
4212223032220
510043413121
61001145400
7152114262
oct46531650
921062410
1010138536
1157a5261
12348b260
13213c945
1414bcb32
15d54026
hex9ab3a8

10138536 has 24 divisors (see below), whose sum is σ = 27458730. Its totient is φ = 3379488.

The previous prime is 10138523. The next prime is 10138547. The reversal of 10138536 is 63583101.

10138536 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., 9036036 + 1102500 = 3006^2 + 1050^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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, 70335 + ... + 70478.

Almost surely, 210138536 is an apocalyptic number.

It is an amenable number.

10138536 is an abundant number, since it is smaller than the sum of its proper divisors (17320194).

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

10138536 is a wasteful number, since it uses less digits than its factorization.

10138536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140825 (or 140818 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 10138536 is about 3184.1067821290. The cubic root of 10138536 is about 216.4337989877.

The spelling of 10138536 in words is "ten million, one hundred thirty-eight thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 140813 281626 422439 563252 844878 1126504 1267317 1689756 2534634 3379512 5069268 10138536