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490490634 = 23200340813
BaseRepresentation
bin11101001111000…
…100101100001010
31021011221111122210
4131033010230022
52001031200014
6120400525550
715104046564
oct3517045412
91234844583
10490490634
11231961967
121183208b6
137a80595a
14491dc334
152d0da859
hex1d3c4b0a

490490634 has 16 divisors (see below), whose sum is σ = 981495072. Its totient is φ = 163411248.

The previous prime is 490490629. The next prime is 490490641. The reversal of 490490634 is 436094094.

It is a junction number, because it is equal to n+sod(n) for n = 490490592 and 490490601.

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, 8389 + ... + 32424.

It is an arithmetic number, because the mean of its divisors is an integer number (61343442).

Almost surely, 2490490634 is an apocalyptic number.

490490634 is an abundant number, since it is smaller than the sum of its proper divisors (491004438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490490634 is a wasteful number, since it uses less digits than its factorization.

490490634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42821.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 490490634 is about 22147.0231408196. The cubic root of 490490634 is about 788.6365597272.

The spelling of 490490634 in words is "four hundred ninety million, four hundred ninety thousand, six hundred thirty-four".

Divisors: 1 2 3 6 2003 4006 6009 12018 40813 81626 122439 244878 81748439 163496878 245245317 490490634