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113753405 = 522750681
BaseRepresentation
bin1101100011110…
…11110100111101
321221001021100002
412301323310331
5213110102110
615142044045
72550613403
oct661736475
9257037302
10113753405
1159235687
1232119625
131a74a90c
1411171473
159ebeaa5
hex6c7bd3d

113753405 has 4 divisors (see below), whose sum is σ = 136504092. Its totient is φ = 91002720.

The previous prime is 113753401. The next prime is 113753413. The reversal of 113753405 is 504357311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504357311 = 598548429.

It can be written as a sum of positive squares in 2 ways, for example, as 21631801 + 92121604 = 4651^2 + 9598^2 .

It is not a de Polignac number, because 113753405 - 22 = 113753401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113753401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11375336 + ... + 11375345.

It is an arithmetic number, because the mean of its divisors is an integer number (34126023).

Almost surely, 2113753405 is an apocalyptic number.

It is an amenable number.

113753405 is a deficient number, since it is larger than the sum of its proper divisors (22750687).

113753405 is an equidigital number, since it uses as much as digits as its factorization.

113753405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22750686.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 113753405 is about 10665.5241315183. The cubic root of 113753405 is about 484.5308887351.

The spelling of 113753405 in words is "one hundred thirteen million, seven hundred fifty-three thousand, four hundred five".

Divisors: 1 5 22750681 113753405