Search a number
-
+
490326660 = 2232516091693
BaseRepresentation
bin11101001110011…
…100101010000100
31021011122011201200
4131032130222010
52001010423120
6120353222500
715102464535
oct3516345204
91234564650
10490326660
1123185a74a
12118261a30
137a779125
144919868c
152d0a6e90
hex1d39ca84

490326660 has 72 divisors (see below), whose sum is σ = 1489127640. Its totient is φ = 130595328.

The previous prime is 490326623. The next prime is 490326671. The reversal of 490326660 is 66623094.

It can be written as a sum of positive squares in 4 ways, for example, as 147039876 + 343286784 = 12126^2 + 18528^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288774 + ... + 290466.

Almost surely, 2490326660 is an apocalyptic number.

It is an amenable number.

490326660 is an abundant number, since it is smaller than the sum of its proper divisors (998800980).

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

490326660 is a wasteful number, since it uses less digits than its factorization.

490326660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 490326660 is about 22143.3208891530. The cubic root of 490326660 is about 788.5486679338.

The spelling of 490326660 in words is "four hundred ninety million, three hundred twenty-six thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1609 1693 3218 3386 4827 5079 6436 6772 8045 8465 9654 10158 14481 15237 16090 16930 19308 20316 24135 25395 28962 30474 32180 33860 48270 50790 57924 60948 72405 76185 96540 101580 144810 152370 289620 304740 2724037 5448074 8172111 10896148 13620185 16344222 24516333 27240370 32688444 40860555 49032666 54480740 81721110 98065332 122581665 163442220 245163330 490326660