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490893 = 31341307
BaseRepresentation
bin1110111110110001101
3220221101020
41313312031
5111202033
614304353
74113114
oct1676615
9827336
10490893
113058a7
121b80b9
13142590
14cac7b
159a6b3
hex77d8d

490893 has 16 divisors (see below), whose sum is σ = 724416. Its totient is φ = 293760.

The previous prime is 490891. The next prime is 490913. The reversal of 490893 is 398094.

490893 is nontrivially palindromic in base 7.

It is not a de Polignac number, because 490893 - 21 = 490891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490891) 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 15 ways as a sum of consecutive naturals, for example, 1446 + ... + 1752.

It is an arithmetic number, because the mean of its divisors is an integer number (45276).

2490893 is an apocalyptic number.

It is an amenable number.

490893 is a deficient number, since it is larger than the sum of its proper divisors (233523).

490893 is a wasteful number, since it uses less digits than its factorization.

490893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 490893 is about 700.6375667918. The cubic root of 490893 is about 78.8852149170.

The spelling of 490893 in words is "four hundred ninety thousand, eight hundred ninety-three".

Divisors: 1 3 13 39 41 123 307 533 921 1599 3991 11973 12587 37761 163631 490893