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668304010 = 251121372843
BaseRepresentation
bin100111110101011…
…000001010001010
31201120112100202101
4213311120022022
52332041212020
6150152024014
722363330123
oct4765301212
91646470671
10668304010
11313270770
1216799200a
13a85c247a
1464a8704a
153da1100a
hex27d5828a

668304010 has 32 divisors (see below), whose sum is σ = 1313381952. Its totient is φ = 242820480.

The previous prime is 668303959. The next prime is 668304011. The reversal of 668304010 is 10403866.

It is a self number, because there is not a number n which added to its sum of digits gives 668304010.

It is not an unprimeable number, because it can be changed into a prime (668304011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233649 + ... + 236491.

It is an arithmetic number, because the mean of its divisors is an integer number (41043186).

Almost surely, 2668304010 is an apocalyptic number.

668304010 is a deficient number, since it is larger than the sum of its proper divisors (645077942).

668304010 is a wasteful number, since it uses less digits than its factorization.

668304010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 668304010 is about 25851.5765476692. The cubic root of 668304010 is about 874.2950556149.

Adding to 668304010 its reverse (10403866), we get a palindrome (678707876).

The spelling of 668304010 in words is "six hundred sixty-eight million, three hundred four thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 2137 2843 4274 5686 10685 14215 21370 23507 28430 31273 47014 62546 117535 156365 235070 312730 6075491 12150982 30377455 60754910 66830401 133660802 334152005 668304010