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490870084 = 22122717521
BaseRepresentation
bin11101010000100…
…001010101000100
31021012122210011111
4131100201111010
52001130320314
6120413014404
715110220055
oct3520412504
91235583144
10490870084
112320a0a61
12118484404
137a909593
144929a72c
152d162ec4
hex1d421544

490870084 has 6 divisors (see below), whose sum is σ = 859022654. Its totient is φ = 245435040.

The previous prime is 490870067. The next prime is 490870091. The reversal of 490870084 is 480078094.

It can be written as a sum of positive squares in only one way, i.e., 302412100 + 188457984 = 17390^2 + 13728^2 .

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 as a sum of consecutive naturals, namely, 61358757 + ... + 61358764.

Almost surely, 2490870084 is an apocalyptic number.

It is an amenable number.

490870084 is a deficient number, since it is larger than the sum of its proper divisors (368152570).

490870084 is a wasteful number, since it uses less digits than its factorization.

490870084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122717525 (or 122717523 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 490870084 is about 22155.5880987168. The cubic root of 490870084 is about 788.8398738427.

The spelling of 490870084 in words is "four hundred ninety million, eight hundred seventy thousand, eighty-four".

Divisors: 1 2 4 122717521 245435042 490870084