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23260831 = 112114621
BaseRepresentation
bin101100010111…
…0111010011111
31121202202212021
41120232322133
521423321311
62150321011
7401466556
oct130567237
947682767
1023260831
1112148230
127959167
134a85709
143136d9d
152097171
hex162ee9f

23260831 has 4 divisors (see below), whose sum is σ = 25375464. Its totient is φ = 21146200.

The previous prime is 23260823. The next prime is 23260841. The reversal of 23260831 is 13806232.

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 23260831 - 23 = 23260823 is a prime.

It is a super-2 number, since 2×232608312 = 1082132517621122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23260796 and 23260805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23260801) 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, 1057300 + ... + 1057321.

It is an arithmetic number, because the mean of its divisors is an integer number (6343866).

Almost surely, 223260831 is an apocalyptic number.

23260831 is a deficient number, since it is larger than the sum of its proper divisors (2114633).

23260831 is a wasteful number, since it uses less digits than its factorization.

23260831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114632.

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

The square root of 23260831 is about 4822.9483721060. The cubic root of 23260831 is about 285.4576866778.

The spelling of 23260831 in words is "twenty-three million, two hundred sixty thousand, eight hundred thirty-one".

Divisors: 1 11 2114621 23260831