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499090 = 25291721
BaseRepresentation
bin1111001110110010010
3221100121211
41321312102
5111432330
614410334
74146034
oct1716622
9840554
10499090
11310a79
122009aa
13146227
14cdc54
159cd2a
hex79d92

499090 has 16 divisors (see below), whose sum is σ = 929880. Its totient is φ = 192640.

The previous prime is 499067. The next prime is 499099. The reversal of 499090 is 90994.

It can be written as a sum of positive squares in 4 ways, for example, as 447561 + 51529 = 669^2 + 227^2 .

It is not an unprimeable number, because it can be changed into a prime (499099) by changing a digit.

499090 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571 + ... + 1150.

2499090 is an apocalyptic number.

499090 is a deficient number, since it is larger than the sum of its proper divisors (430790).

499090 is a wasteful number, since it uses less digits than its factorization.

499090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 499090 is about 706.4630209714. The cubic root of 499090 is about 79.3218721919.

The spelling of 499090 in words is "four hundred ninety-nine thousand, ninety".

Divisors: 1 2 5 10 29 58 145 290 1721 3442 8605 17210 49909 99818 249545 499090