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138527883 = 321317257271
BaseRepresentation
bin10000100000111…
…00010010001011
3100122122221112100
420100130102023
5240430343013
621425044443
73301316244
oct1020342213
9318587470
10138527883
117121705a
123a486723
1322913280
141457dccb
15c265473
hex841c48b

138527883 has 48 divisors (see below), whose sum is σ = 229896576. Its totient is φ = 79626240.

The previous prime is 138527869. The next prime is 138527899. The reversal of 138527883 is 388725831.

It is not a de Polignac number, because 138527883 - 26 = 138527819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138527813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 511038 + ... + 511308.

It is an arithmetic number, because the mean of its divisors is an integer number (4789512).

Almost surely, 2138527883 is an apocalyptic number.

138527883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

138527883 is a deficient number, since it is larger than the sum of its proper divisors (91368693).

138527883 is a wasteful number, since it uses less digits than its factorization.

138527883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 561 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 138527883 is about 11769.7868714773. The cubic root of 138527883 is about 517.4230033174.

The spelling of 138527883 in words is "one hundred thirty-eight million, five hundred twenty-seven thousand, eight hundred eighty-three".

Divisors: 1 3 9 13 17 39 51 117 153 221 257 271 663 771 813 1989 2313 2439 3341 3523 4369 4607 10023 10569 13107 13821 30069 31707 39321 41463 56797 59891 69647 170391 179673 208941 511173 539019 626823 905411 1183999 2716233 3551997 8148699 10655991 15391987 46175961 138527883