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231064674 = 2338510779
BaseRepresentation
bin11011100010111…
…00010001100010
3121002210022010220
431301130101202
5433123032144
634532303510
75504005641
oct1561342142
9532708126
10231064674
11109480345
1265471b96
1338b42a79
142298b358
1515443919
hexdc5c462

231064674 has 8 divisors (see below), whose sum is σ = 462129360. Its totient is φ = 77021556.

The previous prime is 231064661. The next prime is 231064679. The reversal of 231064674 is 476460132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

231064674 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (231064679) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19255384 + ... + 19255395.

It is an arithmetic number, because the mean of its divisors is an integer number (57766170).

Almost surely, 2231064674 is an apocalyptic number.

231064674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231064674 is a wasteful number, since it uses less digits than its factorization.

231064674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38510784.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 231064674 is about 15200.8116230680. The cubic root of 231064674 is about 613.6365007068.

The spelling of 231064674 in words is "two hundred thirty-one million, sixty-four thousand, six hundred seventy-four".

Divisors: 1 2 3 6 38510779 77021558 115532337 231064674