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668182674 = 23111363779
BaseRepresentation
bin100111110100111…
…010100010010010
31201120022012022110
4213310322202102
52332023321144
6150145250150
722362313305
oct4764724222
91646265273
10668182674
11313198595
12167933956
13a857c183
1464a54b3c
153d9da0b9
hex27d3a892

668182674 has 8 divisors (see below), whose sum is σ = 1336365360. Its totient is φ = 222727556.

The previous prime is 668182663. The next prime is 668182679. The reversal of 668182674 is 476281866.

668182674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

668182674 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (668182679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55681884 + ... + 55681895.

It is an arithmetic number, because the mean of its divisors is an integer number (167045670).

Almost surely, 2668182674 is an apocalyptic number.

668182674 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.

668182674 is a wasteful number, since it uses less digits than its factorization.

668182674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111363784.

The product of its digits is 774144, while the sum is 48.

The square root of 668182674 is about 25849.2296597017. The cubic root of 668182674 is about 874.2421406321.

The spelling of 668182674 in words is "six hundred sixty-eight million, one hundred eighty-two thousand, six hundred seventy-four".

Divisors: 1 2 3 6 111363779 222727558 334091337 668182674