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231041164 = 22237873191
BaseRepresentation
bin11011100010101…
…10100010001100
3121002202002220011
431301112202030
5433121304124
634532003004
75503550254
oct1561264214
9532662804
10231041164
11109464712
1265460464
1338b35163
1422982964
151543b994
hexdc5688c

231041164 has 24 divisors (see below), whose sum is σ = 422569728. Its totient is φ = 110322960.

The previous prime is 231041149. The next prime is 231041177. The reversal of 231041164 is 461140132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70809 + ... + 73999.

It is an arithmetic number, because the mean of its divisors is an integer number (17607072).

Almost surely, 2231041164 is an apocalyptic number.

It is an amenable number.

231041164 is a deficient number, since it is larger than the sum of its proper divisors (191528564).

231041164 is a wasteful number, since it uses less digits than its factorization.

231041164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005 (or 4003 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 231041164 is about 15200.0382894255. The cubic root of 231041164 is about 613.6156882315.

Adding to 231041164 its reverse (461140132), we get a palindrome (692181296).

The spelling of 231041164 in words is "two hundred thirty-one million, forty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 23 46 92 787 1574 3148 3191 6382 12764 18101 36202 72404 73393 146786 293572 2511317 5022634 10045268 57760291 115520582 231041164