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231080470 = 25191216213
BaseRepresentation
bin11011100011000…
…00001000010110
3121002211002210221
431301200020112
5433124033340
634532504554
75504102665
oct1561401026
9532732727
10231080470
111094911a5
126547b15a
1338b4a00a
1422992ddc
151544844a
hexdc60216

231080470 has 16 divisors (see below), whose sum is σ = 437837040. Its totient is φ = 87567264.

The previous prime is 231080467. The next prime is 231080513. The reversal of 231080470 is 74080132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607917 + ... + 608296.

It is an arithmetic number, because the mean of its divisors is an integer number (27364815).

Almost surely, 2231080470 is an apocalyptic number.

231080470 is a deficient number, since it is larger than the sum of its proper divisors (206756570).

231080470 is a wasteful number, since it uses less digits than its factorization.

231080470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216239.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 231080470 is about 15201.3311917082. The cubic root of 231080470 is about 613.6504834894.

The spelling of 231080470 in words is "two hundred thirty-one million, eighty thousand, four hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 1216213 2432426 6081065 12162130 23108047 46216094 115540235 231080470