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23243631 = 319407783
BaseRepresentation
bin101100010101…
…0101101101111
31121201220021020
41120222231233
521422244011
62150105223
7401365455
oct130525557
947656236
1023243631
1112136314
12794b213
134a7a938
1431309d5
152092006
hex162ab6f

23243631 has 8 divisors (see below), whose sum is σ = 32622720. Its totient is φ = 14680152.

The previous prime is 23243629. The next prime is 23243651. The reversal of 23243631 is 13634232.

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

It is not a de Polignac number, because 23243631 - 21 = 23243629 is a prime.

It is a super-2 number, since 2×232436312 = 1080532764128322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203835 + ... + 203948.

It is an arithmetic number, because the mean of its divisors is an integer number (4077840).

Almost surely, 223243631 is an apocalyptic number.

23243631 is a deficient number, since it is larger than the sum of its proper divisors (9379089).

23243631 is a wasteful number, since it uses less digits than its factorization.

23243631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407805.

The product of its digits is 2592, while the sum is 24.

The square root of 23243631 is about 4821.1649007268. The cubic root of 23243631 is about 285.3873096723.

Adding to 23243631 its reverse (13634232), we get a palindrome (36877863).

The spelling of 23243631 in words is "twenty-three million, two hundred forty-three thousand, six hundred thirty-one".

Divisors: 1 3 19 57 407783 1223349 7747877 23243631