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490501672 = 2361312709
BaseRepresentation
bin11101001111000…
…111011000101000
31021011222001210121
4131033013120220
52001032023142
6120401053024
715104124013
oct3517073050
91234861717
10490501672
1123196a191
12118327174
137a80a99b
144920237a
152d0ddc67
hex1d3c7628

490501672 has 8 divisors (see below), whose sum is σ = 919690650. Its totient is φ = 245250832.

The previous prime is 490501651. The next prime is 490501681. The reversal of 490501672 is 276105094.

It can be written as a sum of positive squares in only one way, i.e., 484616196 + 5885476 = 22014^2 + 2426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30656347 + ... + 30656362.

Almost surely, 2490501672 is an apocalyptic number.

It is an amenable number.

490501672 is a deficient number, since it is larger than the sum of its proper divisors (429188978).

490501672 is a wasteful number, since it uses less digits than its factorization.

490501672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61312715 (or 61312711 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 490501672 is about 22147.2723376943. The cubic root of 490501672 is about 788.6424755078.

The spelling of 490501672 in words is "four hundred ninety million, five hundred one thousand, six hundred seventy-two".

Divisors: 1 2 4 8 61312709 122625418 245250836 490501672