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23282231 = 717972017
BaseRepresentation
bin101100011010…
…0001000110111
31121210212012212
41120310020313
521430012411
62151004035
7401616140
oct130641067
947725185
1023282231
1112162315
12796961b
134a9238b
143140ac7
15209d68b
hex1634237

23282231 has 16 divisors (see below), whose sum is σ = 28478016. Its totient is φ = 18579456.

The previous prime is 23282179. The next prime is 23282243. The reversal of 23282231 is 13228232.

It is not a de Polignac number, because 23282231 - 222 = 19087927 is a prime.

It is a super-2 number, since 2×232822312 = 1084124560674722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23282197 and 23282206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23282261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10535 + ... + 12551.

It is an arithmetic number, because the mean of its divisors is an integer number (1779876).

Almost surely, 223282231 is an apocalyptic number.

23282231 is a deficient number, since it is larger than the sum of its proper divisors (5195785).

23282231 is a wasteful number, since it uses less digits than its factorization.

23282231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138.

The product of its digits is 1152, while the sum is 23.

The square root of 23282231 is about 4825.1664220004. The cubic root of 23282231 is about 285.5452003481.

The spelling of 23282231 in words is "twenty-three million, two hundred eighty-two thousand, two hundred thirty-one".

Divisors: 1 7 17 97 119 679 1649 2017 11543 14119 34289 195649 240023 1369543 3326033 23282231