Search a number
-
+
23269631 = 711283331
BaseRepresentation
bin101100011000…
…1000011111111
31121210012221012
41120301003333
521424112011
62150425435
7401534330
oct130610377
947705835
1023269631
1112153900
12796227b
134a89718
14313a287
152099a8b
hex16310ff

23269631 has 24 divisors (see below), whose sum is σ = 29672832. Its totient is φ = 17859600.

The previous prime is 23269601. The next prime is 23269637. The reversal of 23269631 is 13696232.

It is a de Polignac number, because none of the positive numbers 2k-23269631 is a prime.

It is a super-2 number, since 2×232696312 = 1082951453752322, which contains 22 as substring.

Its product of digits (11664) is a multiple of the sum of its prime divisors (432).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23269637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70136 + ... + 70466.

It is an arithmetic number, because the mean of its divisors is an integer number (1236368).

Almost surely, 223269631 is an apocalyptic number.

23269631 is a deficient number, since it is larger than the sum of its proper divisors (6403201).

23269631 is a wasteful number, since it uses less digits than its factorization.

23269631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 432 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 23269631 is about 4823.8605908546. The cubic root of 23269631 is about 285.4936801028.

The spelling of 23269631 in words is "twenty-three million, two hundred sixty-nine thousand, six hundred thirty-one".

Divisors: 1 7 11 77 83 121 331 581 847 913 2317 3641 6391 10043 25487 27473 40051 70301 192311 280357 302203 2115421 3324233 23269631