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232204540 = 22511610227
BaseRepresentation
bin11011101011100…
…10100011111100
3121011221012202011
431311302203330
5433421021130
635012541004
75516464111
oct1565624374
9534835664
10232204540
1110a089787
1265921764
1339151849
1422ba6908
15155bb52a
hexdd728fc

232204540 has 12 divisors (see below), whose sum is σ = 487629576. Its totient is φ = 92881808.

The previous prime is 232204523. The next prime is 232204549. The reversal of 232204540 is 45402232.

It is a super-2 number, since 2×2322045402 = 107837896793223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232204549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5805094 + ... + 5805133.

It is an arithmetic number, because the mean of its divisors is an integer number (40635798).

Almost surely, 2232204540 is an apocalyptic number.

232204540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232204540 is an abundant number, since it is smaller than the sum of its proper divisors (255425036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232204540 is a wasteful number, since it uses less digits than its factorization.

232204540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11610236 (or 11610234 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 232204540 is about 15238.2590869167. The cubic root of 232204540 is about 614.6438901650.

Adding to 232204540 its reverse (45402232), we get a palindrome (277606772).

The spelling of 232204540 in words is "two hundred thirty-two million, two hundred four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 11610227 23220454 46440908 58051135 116102270 232204540