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113523 = 379479
BaseRepresentation
bin11011101101110011
312202201120
4123231303
512113043
62233323
7651654
oct335563
9182646
10113523
1178323
1255843
133c897
142d52b
1523983
hex1bb73

113523 has 8 divisors (see below), whose sum is σ = 153600. Its totient is φ = 74568.

The previous prime is 113513. The next prime is 113537. The reversal of 113523 is 325311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113523 - 29 = 113011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3 + ... + 476.

It is an arithmetic number, because the mean of its divisors is an integer number (19200).

2113523 is an apocalyptic number.

113523 is a deficient number, since it is larger than the sum of its proper divisors (40077).

113523 is an equidigital number, since it uses as much as digits as its factorization.

113523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its digits is 90, while the sum is 15.

The square root of 113523 is about 336.9317438295. The cubic root of 113523 is about 48.4203532093.

Adding to 113523 its reverse (325311), we get a palindrome (438834).

It can be divided in two parts, 113 and 523, that added together give a palindrome (636).

The spelling of 113523 in words is "one hundred thirteen thousand, five hundred twenty-three".

Divisors: 1 3 79 237 479 1437 37841 113523