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485690 = 25172857
BaseRepresentation
bin1110110100100111010
3220200020112
41312210322
5111020230
614224322
74062002
oct1664472
9820215
10485690
113019a7
121b50a2
131400ba
14c9002
1598d95
hex7693a

485690 has 16 divisors (see below), whose sum is σ = 925992. Its totient is φ = 182784.

The previous prime is 485689. The next prime is 485701. The reversal of 485690 is 96584.

It can be written as a sum of positive squares in 4 ways, for example, as 461041 + 24649 = 679^2 + 157^2 .

It is a super-2 number, since 2×4856902 = 471789552200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259 + ... + 1598.

2485690 is an apocalyptic number.

485690 is a deficient number, since it is larger than the sum of its proper divisors (440302).

485690 is a wasteful number, since it uses less digits than its factorization.

485690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 485690 is about 696.9146289181. The cubic root of 485690 is about 78.6055216075.

The spelling of 485690 in words is "four hundred eighty-five thousand, six hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 2857 5714 14285 28570 48569 97138 242845 485690