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113353243 = 552720509
BaseRepresentation
bin1101100000110…
…10001000011011
321220021221102021
412300122020123
5213004300433
615125315311
72544325633
oct660321033
9256257367
10113353243
1158a91a73
1231b65b37
131a63a733
14110a96c3
159e4122d
hex6c1a21b

113353243 has 4 divisors (see below), whose sum is σ = 113379280. Its totient is φ = 113327208.

The previous prime is 113353231. The next prime is 113353271. The reversal of 113353243 is 342353311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342353311 = 477284113.

It is a cyclic number.

It is not a de Polignac number, because 113353243 - 25 = 113353211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113353043) 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, 4728 + ... + 15781.

It is an arithmetic number, because the mean of its divisors is an integer number (28344820).

Almost surely, 2113353243 is an apocalyptic number.

113353243 is a deficient number, since it is larger than the sum of its proper divisors (26037).

113353243 is an equidigital number, since it uses as much as digits as its factorization.

113353243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26036.

The product of its digits is 3240, while the sum is 25.

The square root of 113353243 is about 10646.7480011504. The cubic root of 113353243 is about 483.9620598974.

The spelling of 113353243 in words is "one hundred thirteen million, three hundred fifty-three thousand, two hundred forty-three".

Divisors: 1 5527 20509 113353243