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490593249 = 32374135933
BaseRepresentation
bin11101001111011…
…101101111100001
31021012010201102100
4131033131233201
52001042440444
6120403041013
715104655006
oct3517355741
91235121370
10490593249
11231a21a73
12118370169
137a840583
14492278ad
152d10ae69
hex1d3ddbe1

490593249 has 24 divisors (see below), whose sum is σ = 745558632. Its totient is φ = 310452480.

The previous prime is 490593217. The next prime is 490593251. The reversal of 490593249 is 942395094.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 91872225 + 398721024 = 9585^2 + 19968^2 .

It is not a de Polignac number, because 490593249 - 25 = 490593217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490593269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4314 + ... + 31619.

It is an arithmetic number, because the mean of its divisors is an integer number (31064943).

Almost surely, 2490593249 is an apocalyptic number.

It is an amenable number.

490593249 is a deficient number, since it is larger than the sum of its proper divisors (254965383).

490593249 is a wasteful number, since it uses less digits than its factorization.

490593249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36017 (or 36014 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 490593249 is about 22149.3396967043. The cubic root of 490593249 is about 788.6915524849.

The spelling of 490593249 in words is "four hundred ninety million, five hundred ninety-three thousand, two hundred forty-nine".

Divisors: 1 3 9 37 41 111 123 333 369 1517 4551 13653 35933 107799 323397 1329521 1473253 3988563 4419759 11965689 13259277 54510361 163531083 490593249