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113023243 = 283739839
BaseRepresentation
bin1101011110010…
…01100100001011
321212200011202001
412233021210023
5212413220433
615114251431
72541452554
oct657114413
9255604661
10113023243
1158887043
1231a26b77
131a553478
141102132b
159dc857d
hex6bc990b

113023243 has 4 divisors (see below), whose sum is σ = 113065920. Its totient is φ = 112980568.

The previous prime is 113023231. The next prime is 113023249. The reversal of 113023243 is 342320311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342320311 = 677505643.

It is a cyclic number.

It is not a de Polignac number, because 113023243 - 29 = 113022731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113023243.

It is not an unprimeable number, because it can be changed into a prime (113023249) 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, 17083 + ... + 22756.

It is an arithmetic number, because the mean of its divisors is an integer number (28266480).

Almost surely, 2113023243 is an apocalyptic number.

113023243 is a deficient number, since it is larger than the sum of its proper divisors (42677).

113023243 is an equidigital number, since it uses as much as digits as its factorization.

113023243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42676.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 113023243 is about 10631.2390152795. The cubic root of 113023243 is about 483.4919580292.

Adding to 113023243 its reverse (342320311), we get a palindrome (455343554).

The spelling of 113023243 in words is "one hundred thirteen million, twenty-three thousand, two hundred forty-three".

Divisors: 1 2837 39839 113023243