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113175138 = 23971631193
BaseRepresentation
bin1101011111011…
…10101001100010
321212221220002210
412233232221202
5212433101023
615121422550
72542654446
oct657565142
9255856083
10113175138
115898017a
1231a9aa56
131a5a764b
1411060826
159e08593
hex6beea62

113175138 has 32 divisors (see below), whose sum is σ = 230279616. Its totient is φ = 37075968.

The previous prime is 113175133. The next prime is 113175151. The reversal of 113175138 is 831571311.

It is a super-2 number, since 2×1131751382 = 25617223722638088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113175131) 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, 94270 + ... + 95462.

It is an arithmetic number, because the mean of its divisors is an integer number (7196238).

Almost surely, 2113175138 is an apocalyptic number.

113175138 is an abundant number, since it is smaller than the sum of its proper divisors (117104478).

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

113175138 is a wasteful number, since it uses less digits than its factorization.

113175138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458.

The product of its digits is 2520, while the sum is 30.

The square root of 113175138 is about 10638.3804218499. The cubic root of 113175138 is about 483.7084537228.

The spelling of 113175138 in words is "one hundred thirteen million, one hundred seventy-five thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 97 163 194 291 326 489 582 978 1193 2386 3579 7158 15811 31622 47433 94866 115721 194459 231442 347163 388918 583377 694326 1166754 18862523 37725046 56587569 113175138