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490713490 = 2549071349
BaseRepresentation
bin11101001111111…
…011000110010010
31021012100211100201
4131033323012102
52001110312430
6120405405414
715105665401
oct3517730622
91235324321
10490713490
11231aa4343
1211840986a
137a883217
1449259638
152d1318ca
hex1d3fb192

490713490 has 8 divisors (see below), whose sum is σ = 883284300. Its totient is φ = 196285392.

The previous prime is 490713473. The next prime is 490713491. The reversal of 490713490 is 94317094.

It can be written as a sum of positive squares in 2 ways, for example, as 454243969 + 36469521 = 21313^2 + 6039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (490713491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24535665 + ... + 24535684.

Almost surely, 2490713490 is an apocalyptic number.

490713490 is a deficient number, since it is larger than the sum of its proper divisors (392570810).

490713490 is a wasteful number, since it uses less digits than its factorization.

490713490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49071356.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 490713490 is about 22152.0538551169. The cubic root of 490713490 is about 788.7559814964.

The spelling of 490713490 in words is "four hundred ninety million, seven hundred thirteen thousand, four hundred ninety".

Divisors: 1 2 5 10 49071349 98142698 245356745 490713490