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8138113 = 233773131
BaseRepresentation
bin11111000010110110000001
3120022110101121
4133002312001
54040404423
6450232241
7126113164
oct37026601
916273347
108138113
114659315
122885681
1318bc269
14111badb
15aab45d
hex7c2d81

8138113 has 16 divisors (see below), whose sum is σ = 8908416. Its totient is φ = 7413120.

The previous prime is 8138111. The next prime is 8138129. The reversal of 8138113 is 3118318.

It is a cyclic number.

It is not a de Polignac number, because 8138113 - 21 = 8138111 is a prime.

It is an Ulam number.

8138113 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8138111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62058 + ... + 62188.

It is an arithmetic number, because the mean of its divisors is an integer number (556776).

Almost surely, 28138113 is an apocalyptic number.

It is an amenable number.

8138113 is a deficient number, since it is larger than the sum of its proper divisors (770303).

8138113 is a wasteful number, since it uses less digits than its factorization.

8138113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its digits is 576, while the sum is 25.

The square root of 8138113 is about 2852.7378077910. The cubic root of 8138113 is about 201.1443811366.

The spelling of 8138113 in words is "eight million, one hundred thirty-eight thousand, one hundred thirteen".

Divisors: 1 23 37 73 131 851 1679 2701 3013 4847 9563 62123 111481 219949 353831 8138113