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490605765 = 35133836569
BaseRepresentation
bin11101001111100…
…000110011000101
31021012011100120220
4131033200303011
52001043341030
6120403214553
715105036336
oct3517406305
91235140526
10490605765
11231a30411
12118377459
137a846190
144922c28d
152d10ea10
hex1d3e0cc5

490605765 has 32 divisors (see below), whose sum is σ = 847687680. Its totient is φ = 240861696.

The previous prime is 490605763. The next prime is 490605803. The reversal of 490605765 is 567506094.

490605765 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 490605765 - 21 = 490605763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490605763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71401 + ... + 77969.

It is an arithmetic number, because the mean of its divisors is an integer number (26490240).

Almost surely, 2490605765 is an apocalyptic number.

It is an amenable number.

490605765 is a deficient number, since it is larger than the sum of its proper divisors (357081915).

490605765 is a wasteful number, since it uses less digits than its factorization.

490605765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 490605765 is about 22149.6222315416. The cubic root of 490605765 is about 788.6982594528.

The spelling of 490605765 in words is "four hundred ninety million, six hundred five thousand, seven hundred sixty-five".

Divisors: 1 3 5 13 15 39 65 195 383 1149 1915 4979 5745 6569 14937 19707 24895 32845 74685 85397 98535 256191 426985 1280955 2515927 7547781 12579635 32707051 37738905 98121153 163535255 490605765