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23873631 = 361130457
BaseRepresentation
bin101101100010…
…0100001011111
31122220220110120
41123010201133
522102424011
62211410023
7406631265
oct133044137
948826416
1023873631
1112526681
127bb3913
134c3b612
143256435
152168a06
hex16c485f

23873631 has 8 divisors (see below), whose sum is σ = 32353584. Its totient is φ = 15654720.

The previous prime is 23873611. The next prime is 23873639. The reversal of 23873631 is 13637832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23873631 - 221 = 21776479 is a prime.

It is a super-2 number, since 2×238736312 = 1139900514248322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23873592 and 23873601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23873639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65046 + ... + 65411.

It is an arithmetic number, because the mean of its divisors is an integer number (4044198).

Almost surely, 223873631 is an apocalyptic number.

23873631 is a deficient number, since it is larger than the sum of its proper divisors (8479953).

23873631 is a wasteful number, since it uses less digits than its factorization.

23873631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130521.

The product of its digits is 18144, while the sum is 33.

The square root of 23873631 is about 4886.0649811479. The cubic root of 23873631 is about 287.9427572382.

The spelling of 23873631 in words is "twenty-three million, eight hundred seventy-three thousand, six hundred thirty-one".

Divisors: 1 3 61 183 130457 391371 7957877 23873631