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490015429590 = 23516333847653
BaseRepresentation
bin1110010000101110011…
…00100001001111010110
31201211211000110222112110
413020113030201033112
531012022422221330
61013035431131450
750255016266541
oct7102714411726
91654730428473
10490015429590
111798a5a31a15
127ab75213b86
133729270364b
1419a07159858
15cb2e2c1db0
hex72173213d6

490015429590 has 16 divisors (see below), whose sum is σ = 1176037031088. Its totient is φ = 130670781216.

The previous prime is 490015429577. The next prime is 490015429733. The reversal of 490015429590 is 95924510094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8166923797 + ... + 8166923856.

It is an arithmetic number, because the mean of its divisors is an integer number (73502314443).

Almost surely, 2490015429590 is an apocalyptic number.

490015429590 is an abundant number, since it is smaller than the sum of its proper divisors (686021601498).

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

490015429590 is a wasteful number, since it uses less digits than its factorization.

490015429590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333847663.

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 490015429590 in words is "four hundred ninety billion, fifteen million, four hundred twenty-nine thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 16333847653 32667695306 49001542959 81669238265 98003085918 163338476530 245007714795 490015429590