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668302 = 2389859
BaseRepresentation
bin10100011001010001110
31020221201221
42203022032
5132341202
622153554
75452255
oct2431216
91227657
10668302
11417118
122828ba
131a525b
1413579c
15d3037
hexa328e

668302 has 8 divisors (see below), whose sum is σ = 1006200. Its totient is φ = 332904.

The previous prime is 668273. The next prime is 668303. The reversal of 668302 is 203866.

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

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668303) 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, 349 + ... + 1207.

It is an arithmetic number, because the mean of its divisors is an integer number (125775).

2668302 is an apocalyptic number.

668302 is a deficient number, since it is larger than the sum of its proper divisors (337898).

668302 is a wasteful number, since it uses less digits than its factorization.

668302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 668302 is about 817.4974006075. The cubic root of 668302 is about 87.4294179100.

The spelling of 668302 in words is "six hundred sixty-eight thousand, three hundred two".

Divisors: 1 2 389 778 859 1718 334151 668302