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490561056 = 2533567779
BaseRepresentation
bin11101001111010…
…101111000100000
31021012002002021000
4131033111320200
52001040423211
6120402232000
715104462106
oct3517257040
91235062230
10490561056
112319aa867
12118355600
137a82ba1b
1449219c76
152d101656
hex1d3d5e20

490561056 has 48 divisors (see below), whose sum is σ = 1430805600. Its totient is φ = 163520064.

The previous prime is 490561039. The next prime is 490561067. The reversal of 490561056 is 650165094.

490561056 is a `hidden beast` number, since 4 + 90 + 561 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 490561056.

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, 283026 + ... + 284753.

It is an arithmetic number, because the mean of its divisors is an integer number (29808450).

Almost surely, 2490561056 is an apocalyptic number.

It is an amenable number.

490561056 is an abundant number, since it is smaller than the sum of its proper divisors (940244544).

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

490561056 is a wasteful number, since it uses less digits than its factorization.

490561056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567798 (or 567784 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 490561056 is about 22148.6129588288. The cubic root of 490561056 is about 788.6743006490.

The spelling of 490561056 in words is "four hundred ninety million, five hundred sixty-one thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 567779 1135558 1703337 2271116 3406674 4542232 5110011 6813348 9084464 10220022 13626696 15330033 18168928 20440044 27253392 30660066 40880088 54506784 61320132 81760176 122640264 163520352 245280528 490561056