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138526182 = 23213995501
BaseRepresentation
bin10000100000110…
…11110111100110
3100122122212012100
420100123313212
5240430314212
621425032530
73301311264
oct1020336746
9318585170
10138526182
1171215853
123a485746
1322912572
141457d434
15c264bdc
hex841bde6

138526182 has 24 divisors (see below), whose sum is σ = 300409200. Its totient is φ = 46134000.

The previous prime is 138526163. The next prime is 138526229. The reversal of 138526182 is 281625831.

It is a happy number.

138526182 is a `hidden beast` number, since 1 + 38 + 5 + 2 + 618 + 2 = 666.

138526182 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22432 + ... + 27932.

It is an arithmetic number, because the mean of its divisors is an integer number (12517050).

Almost surely, 2138526182 is an apocalyptic number.

138526182 is an abundant number, since it is smaller than the sum of its proper divisors (161883018).

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

138526182 is a wasteful number, since it uses less digits than its factorization.

138526182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908 (or 6905 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 138526182 is about 11769.7146099640. The cubic root of 138526182 is about 517.4208854763.

The spelling of 138526182 in words is "one hundred thirty-eight million, five hundred twenty-six thousand, one hundred eighty-two".

Divisors: 1 2 3 6 9 18 1399 2798 4197 5501 8394 11002 12591 16503 25182 33006 49509 99018 7695899 15391798 23087697 46175394 69263091 138526182