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231300164 = 221714532341
BaseRepresentation
bin11011100100101…
…01110001000100
3121010020021011202
431302111301010
5433203101124
634541322032
75506006334
oct1562256104
9533207152
10231300164
11109621267
1265566318
1338bc6004
1422a0d0c4
151548d5ae
hexdc95c44

231300164 has 24 divisors (see below), whose sum is σ = 429063768. Its totient is φ = 108725760.

The previous prime is 231300149. The next prime is 231300187. The reversal of 231300164 is 461003132.

It can be written as a sum of positive squares in 4 ways, for example, as 149035264 + 82264900 = 12208^2 + 9070^2 .

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, 97634 + ... + 99974.

It is an arithmetic number, because the mean of its divisors is an integer number (17877657).

Almost surely, 2231300164 is an apocalyptic number.

It is an amenable number.

231300164 is a deficient number, since it is larger than the sum of its proper divisors (197763604).

231300164 is a wasteful number, since it uses less digits than its factorization.

231300164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815 (or 3813 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 231300164 is about 15208.5556184669. Note that the first 3 decimals coincide. The cubic root of 231300164 is about 613.8448928622.

Adding to 231300164 its reverse (461003132), we get a palindrome (692303296).

The spelling of 231300164 in words is "two hundred thirty-one million, three hundred thousand, one hundred sixty-four".

Divisors: 1 2 4 17 34 68 1453 2341 2906 4682 5812 9364 24701 39797 49402 79594 98804 159188 3401473 6802946 13605892 57825041 115650082 231300164