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113758481 = 331334337
BaseRepresentation
bin1101100011111…
…01000100010001
321221001112022002
412301331010101
5213110232411
615142123345
72550634244
oct661750421
9257045262
10113758481
1159239481
1232120555
131a750015
141117325b
159ec133b
hex6c7d111

113758481 has 4 divisors (see below), whose sum is σ = 113796132. Its totient is φ = 113720832.

The previous prime is 113758451. The next prime is 113758493. The reversal of 113758481 is 184857311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81450625 + 32307856 = 9025^2 + 5684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113758481 is a prime.

It is a super-2 number, since 2×1137584812 = 25881983998854722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113758451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13856 + ... + 20481.

It is an arithmetic number, because the mean of its divisors is an integer number (28449033).

Almost surely, 2113758481 is an apocalyptic number.

It is an amenable number.

113758481 is a deficient number, since it is larger than the sum of its proper divisors (37651).

113758481 is an equidigital number, since it uses as much as digits as its factorization.

113758481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37650.

The product of its digits is 26880, while the sum is 38.

The square root of 113758481 is about 10665.7620918526. The cubic root of 113758481 is about 484.5380956760.

The spelling of 113758481 in words is "one hundred thirteen million, seven hundred fifty-eight thousand, four hundred eighty-one".

Divisors: 1 3313 34337 113758481