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23921095 = 5112192081
BaseRepresentation
bin101101101000…
…0000111000111
31200000022120111
41123100013013
522110433340
62212413451
7410216542
oct133200707
950008514
1023921095
1112559300
128017287
134c570c3
143269859
152177aea
hex16d01c7

23921095 has 24 divisors (see below), whose sum is σ = 33228720. Its totient is φ = 16473600.

The previous prime is 23921071. The next prime is 23921101. The reversal of 23921095 is 59012932.

It is not a de Polignac number, because 23921095 - 25 = 23921063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10455 + ... + 12535.

It is an arithmetic number, because the mean of its divisors is an integer number (1384530).

Almost surely, 223921095 is an apocalyptic number.

23921095 is a deficient number, since it is larger than the sum of its proper divisors (9307625).

23921095 is a wasteful number, since it uses less digits than its factorization.

23921095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 23921095 is about 4890.9196476736. The cubic root of 23921095 is about 288.1334539361.

The spelling of 23921095 in words is "twenty-three million, nine hundred twenty-one thousand, ninety-five".

Divisors: 1 5 11 19 55 95 121 209 605 1045 2081 2299 10405 11495 22891 39539 114455 197695 251801 434929 1259005 2174645 4784219 23921095