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138848411 = 13311133049
BaseRepresentation
bin10000100011010…
…10100010011011
3100200021020012202
420101222202123
5241021122121
621440000415
73304122602
oct1021524233
9320236182
10138848411
1171415959
123a60010b
13229c6130
1414624a39
15c2ca40b
hex846a89b

138848411 has 16 divisors (see below), whose sum is σ = 155769600. Its totient is φ = 122895360.

The previous prime is 138848407. The next prime is 138848441. The reversal of 138848411 is 114848831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 138848411 - 22 = 138848407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138848441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44015 + ... + 47063.

It is an arithmetic number, because the mean of its divisors is an integer number (9735600).

Almost surely, 2138848411 is an apocalyptic number.

138848411 is a deficient number, since it is larger than the sum of its proper divisors (16921189).

138848411 is a wasteful number, since it uses less digits than its factorization.

138848411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206.

The product of its digits is 24576, while the sum is 38.

The square root of 138848411 is about 11783.3955632492. The cubic root of 138848411 is about 517.8217697526.

The spelling of 138848411 in words is "one hundred thirty-eight million, eight hundred forty-eight thousand, four hundred eleven".

Divisors: 1 13 31 113 403 1469 3049 3503 39637 45539 94519 344537 1228747 4478981 10680647 138848411