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490870085 = 5863113759
BaseRepresentation
bin11101010000100…
…001010101000101
31021012122210011112
4131100201111011
52001130320320
6120413014405
715110220056
oct3520412505
91235583145
10490870085
112320a0a62
12118484405
137a909594
144929a72d
152d162ec5
hex1d421545

490870085 has 8 divisors (see below), whose sum is σ = 589731840. Its totient is φ = 392237584.

The previous prime is 490870067. The next prime is 490870091. The reversal of 490870085 is 580078094.

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

It is a cyclic number.

It is not a de Polignac number, because 490870085 - 216 = 490804549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52565 + ... + 61194.

It is an arithmetic number, because the mean of its divisors is an integer number (73716480).

Almost surely, 2490870085 is an apocalyptic number.

It is an amenable number.

490870085 is a deficient number, since it is larger than the sum of its proper divisors (98861755).

490870085 is a wasteful number, since it uses less digits than its factorization.

490870085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114627.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 490870085 is about 22155.5881212844. The cubic root of 490870085 is about 788.8398743784.

The spelling of 490870085 in words is "four hundred ninety million, eight hundred seventy thousand, eighty-five".

Divisors: 1 5 863 4315 113759 568795 98174017 490870085