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23413381 = 110321227
BaseRepresentation
bin101100101010…
…0001010000101
31122001112010021
41121110022011
521443212011
62153455141
7403003405
oct131241205
948045107
1023413381
1112241902
127a114b1
134b09c94
143176805
1520c7471
hex1654285

23413381 has 4 divisors (see below), whose sum is σ = 23435712. Its totient is φ = 23391052.

The previous prime is 23413373. The next prime is 23413399. The reversal of 23413381 is 18331432.

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 a cyclic number.

It is not a de Polignac number, because 23413381 - 23 = 23413373 is a prime.

It is a super-2 number, since 2×234133812 = 1096372819702322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23413361) 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, 9511 + ... + 11716.

It is an arithmetic number, because the mean of its divisors is an integer number (5858928).

Almost surely, 223413381 is an apocalyptic number.

It is an amenable number.

23413381 is a deficient number, since it is larger than the sum of its proper divisors (22331).

23413381 is a wasteful number, since it uses less digits than its factorization.

23413381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22330.

The product of its digits is 1728, while the sum is 25.

The square root of 23413381 is about 4838.7375419628. The cubic root of 23413381 is about 286.0803603220.

The spelling of 23413381 in words is "twenty-three million, four hundred thirteen thousand, three hundred eighty-one".

Divisors: 1 1103 21227 23413381