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23056049 = 23398953
BaseRepresentation
bin101011111110…
…0111010110001
31121101100221202
41113330322301
521400243144
62142100545
7366654542
oct127747261
947340852
1023056049
1112018395
12787a755
134a13443
1430c24c9
15205664e
hex15fceb1

23056049 has 4 divisors (see below), whose sum is σ = 23155236. Its totient is φ = 22956864.

The previous prime is 23056021. The next prime is 23056081. The reversal of 23056049 is 94065032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 14876449 = 2860^2 + 3857^2 .

It is a cyclic number.

It is not a de Polignac number, because 23056049 - 28 = 23055793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23056849) 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, 49244 + ... + 49709.

It is an arithmetic number, because the mean of its divisors is an integer number (5788809).

Almost surely, 223056049 is an apocalyptic number.

It is an amenable number.

23056049 is a deficient number, since it is larger than the sum of its proper divisors (99187).

23056049 is an equidigital number, since it uses as much as digits as its factorization.

23056049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99186.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 23056049 is about 4801.6714798078. The cubic root of 23056049 is about 284.6175191408.

The spelling of 23056049 in words is "twenty-three million, fifty-six thousand, forty-nine".

Divisors: 1 233 98953 23056049