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490576730 = 25721001177
BaseRepresentation
bin11101001111011…
…001101101011010
31021012002212202112
4131033121231122
52001041423410
6120402432322
715104555600
oct3517315532
91235085675
10490576730
11231a10616
121183626a2
137a835bb7
1449221870
152d106105
hex1d3d9b5a

490576730 has 24 divisors (see below), whose sum is σ = 1027208628. Its totient is φ = 168197568.

The previous prime is 490576727. The next prime is 490576759. The reversal of 490576730 is 37675094.

It can be written as a sum of positive squares in 2 ways, for example, as 471801841 + 18774889 = 21721^2 + 4333^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500099 + ... + 501078.

Almost surely, 2490576730 is an apocalyptic number.

490576730 is an abundant number, since it is smaller than the sum of its proper divisors (536631898).

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

490576730 is a wasteful number, since it uses less digits than its factorization.

490576730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001198 (or 1001191 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 490576730 is about 22148.9667930583. The cubic root of 490576730 is about 788.6827002486.

The spelling of 490576730 in words is "four hundred ninety million, five hundred seventy-six thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 1001177 2002354 5005885 7008239 10011770 14016478 35041195 49057673 70082390 98115346 245288365 490576730