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23113271 = 37624683
BaseRepresentation
bin101100000101…
…0111000110111
31121111021110002
41120022320313
521404111041
62143221515
7400313426
oct130127067
947437402
1023113271
1112057385
1278a789b
134a334bc
1430d92bd
15206859b
hex160ae37

23113271 has 4 divisors (see below), whose sum is σ = 23737992. Its totient is φ = 22488552.

The previous prime is 23113249. The next prime is 23113273. The reversal of 23113271 is 17231132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23113271 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 (23113273) 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, 312305 + ... + 312378.

It is an arithmetic number, because the mean of its divisors is an integer number (5934498).

Almost surely, 223113271 is an apocalyptic number.

23113271 is a deficient number, since it is larger than the sum of its proper divisors (624721).

23113271 is an equidigital number, since it uses as much as digits as its factorization.

23113271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624720.

The product of its digits is 252, while the sum is 20.

The square root of 23113271 is about 4807.6263373935. The cubic root of 23113271 is about 284.8527853637.

The spelling of 23113271 in words is "twenty-three million, one hundred thirteen thousand, two hundred seventy-one".

Divisors: 1 37 624683 23113271