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23924161 = 47035087
BaseRepresentation
bin101101101000…
…0110111000001
31200000110210001
41123100313001
522111033121
62212440001
7410231512
oct133206701
950013701
1023924161
1112560638
128019001
134c58611
14326aa09
152178991
hex16d0dc1

23924161 has 4 divisors (see below), whose sum is σ = 23933952. Its totient is φ = 23914372.

The previous prime is 23924149. The next prime is 23924171. The reversal of 23924161 is 16142932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23924161 - 211 = 23922113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23924141) 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, 2160 + ... + 7246.

It is an arithmetic number, because the mean of its divisors is an integer number (5983488).

Almost surely, 223924161 is an apocalyptic number.

It is an amenable number.

23924161 is a deficient number, since it is larger than the sum of its proper divisors (9791).

23924161 is an equidigital number, since it uses as much as digits as its factorization.

23924161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9790.

The product of its digits is 2592, while the sum is 28.

The square root of 23924161 is about 4891.2330756160. The cubic root of 23924161 is about 288.1457635653.

The spelling of 23924161 in words is "twenty-three million, nine hundred twenty-four thousand, one hundred sixty-one".

Divisors: 1 4703 5087 23924161