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23422631 = 79296489
BaseRepresentation
bin101100101011…
…0011010100111
31122001222210212
41121112122213
521444011011
62154010035
7403042361
oct131263247
948058725
1023422631
1112248851
127a1691b
134b1125b
143179d31
1520ca08b
hex16566a7

23422631 has 4 divisors (see below), whose sum is σ = 23719200. Its totient is φ = 23126064.

The previous prime is 23422627. The next prime is 23422657. The reversal of 23422631 is 13622432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23422631 - 22 = 23422627 is a prime.

It is a super-3 number, since 3×234226313 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23422597 and 23422606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422681) 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, 148166 + ... + 148323.

It is an arithmetic number, because the mean of its divisors is an integer number (5929800).

Almost surely, 223422631 is an apocalyptic number.

23422631 is a deficient number, since it is larger than the sum of its proper divisors (296569).

23422631 is an equidigital number, since it uses as much as digits as its factorization.

23422631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296568.

The product of its digits is 1728, while the sum is 23.

The square root of 23422631 is about 4839.6932754050. The cubic root of 23422631 is about 286.1180295922.

The spelling of 23422631 in words is "twenty-three million, four hundred twenty-two thousand, six hundred thirty-one".

Divisors: 1 79 296489 23422631