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23929401 = 37976467
BaseRepresentation
bin101101101001…
…0001000111001
31200000201222010
41123102020321
522111220101
62212520133
7410253006
oct133221071
950021863
1023929401
1112564571
128020049
134c5ab12
14326c8ad
15217a2d6
hex16d2239

23929401 has 4 divisors (see below), whose sum is σ = 31905872. Its totient is φ = 15952932.

The previous prime is 23929391. The next prime is 23929463. The reversal of 23929401 is 10492932.

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.

It is not a de Polignac number, because 23929401 - 25 = 23929369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23929471) 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, 3988231 + ... + 3988236.

It is an arithmetic number, because the mean of its divisors is an integer number (7976468).

Almost surely, 223929401 is an apocalyptic number.

It is an amenable number.

23929401 is a deficient number, since it is larger than the sum of its proper divisors (7976471).

23929401 is an equidigital number, since it uses as much as digits as its factorization.

23929401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976470.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 23929401 is about 4891.7686985384. The cubic root of 23929401 is about 288.1667991143.

The spelling of 23929401 in words is "twenty-three million, nine hundred twenty-nine thousand, four hundred one".

Divisors: 1 3 7976467 23929401