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499500489 = 3317967987
BaseRepresentation
bin11101110001011…
…100010111001001
31021210220020212010
4131301130113021
52010333003424
6121322010133
715243453435
oct3561342711
91253806763
10499500489
11236a56124
1211b346949
137c63b927
144a4a59c5
152dcba229
hex1dc5c5c9

499500489 has 16 divisors (see below), whose sum is σ = 696197120. Its totient is φ = 318174480.

The previous prime is 499500487. The next prime is 499500509. The reversal of 499500489 is 984005994.

It is not a de Polignac number, because 499500489 - 21 = 499500487 is a prime.

It is a super-2 number, since 2×4995004892 = 499001477022478242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499500487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26647 + ... + 41340.

It is an arithmetic number, because the mean of its divisors is an integer number (43512320).

Almost surely, 2499500489 is an apocalyptic number.

It is an amenable number.

499500489 is a deficient number, since it is larger than the sum of its proper divisors (196696631).

499500489 is a wasteful number, since it uses less digits than its factorization.

499500489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68100.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 499500489 is about 22349.5075784680. The cubic root of 499500489 is about 793.4361298231.

The spelling of 499500489 in words is "four hundred ninety-nine million, five hundred thousand, four hundred eighty-nine".

Divisors: 1 3 31 79 93 237 2449 7347 67987 203961 2107597 5370973 6322791 16112919 166500163 499500489