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490949113 = 1925839427
BaseRepresentation
bin11101010000110…
…100100111111001
31021012210210120111
4131100310213321
52001140332423
6120414424321
715110666344
oct3520644771
91235723514
10490949113
11232145376
121185020a1
137a936545
14492bb45b
152d17b60d
hex1d4349f9

490949113 has 4 divisors (see below), whose sum is σ = 516788560. Its totient is φ = 465109668.

The previous prime is 490949111. The next prime is 490949143. The reversal of 490949113 is 311949094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 490949113 - 21 = 490949111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490949111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12919695 + ... + 12919732.

It is an arithmetic number, because the mean of its divisors is an integer number (129197140).

Almost surely, 2490949113 is an apocalyptic number.

It is an amenable number.

490949113 is a deficient number, since it is larger than the sum of its proper divisors (25839447).

490949113 is a wasteful number, since it uses less digits than its factorization.

490949113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25839446.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 490949113 is about 22157.3715273270. The cubic root of 490949113 is about 788.8822053972.

The spelling of 490949113 in words is "four hundred ninety million, nine hundred forty-nine thousand, one hundred thirteen".

Divisors: 1 19 25839427 490949113