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499013 = 569877
BaseRepresentation
bin1111001110101000101
3221100111222
41321311011
5111432023
614410125
74145564
oct1716505
9840458
10499013
11310a09
12200945
13146198
14cdbdb
159ccc8
hex79d45

499013 has 4 divisors (see below), whose sum is σ = 500460. Its totient is φ = 497568.

The previous prime is 498989. The next prime is 499021. The reversal of 499013 is 310994.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 247009 = 502^2 + 497^2 .

It is a cyclic number.

It is not a de Polignac number, because 499013 - 210 = 497989 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 131 + ... + 1007.

It is an arithmetic number, because the mean of its divisors is an integer number (125115).

2499013 is an apocalyptic number.

It is an amenable number.

499013 is a deficient number, since it is larger than the sum of its proper divisors (1447).

499013 is an equidigital number, since it uses as much as digits as its factorization.

499013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 499013 is about 706.4085220324. The cubic root of 499013 is about 79.3177927017.

The spelling of 499013 in words is "four hundred ninety-nine thousand, thirteen".

Divisors: 1 569 877 499013