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499885 = 5175881
BaseRepresentation
bin1111010000010101101
3221101201021
41322002231
5111444020
614414141
74151251
oct1720255
9841637
10499885
11311631
12201351
131466b9
14d0261
159d1aa
hex7a0ad

499885 has 8 divisors (see below), whose sum is σ = 635256. Its totient is φ = 376320.

The previous prime is 499883. The next prime is 499897. The reversal of 499885 is 588994.

It is a happy number.

499885 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 4 ways, for example, as 184041 + 315844 = 429^2 + 562^2 .

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

It is not a de Polignac number, because 499885 - 21 = 499883 is a prime.

499885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2856 + ... + 3025.

It is an arithmetic number, because the mean of its divisors is an integer number (79407).

2499885 is an apocalyptic number.

It is an amenable number.

499885 is a deficient number, since it is larger than the sum of its proper divisors (135371).

499885 is a wasteful number, since it uses less digits than its factorization.

499885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5903.

The product of its digits is 103680, while the sum is 43.

The square root of 499885 is about 707.0254592304. The cubic root of 499885 is about 79.3639670945.

The spelling of 499885 in words is "four hundred ninety-nine thousand, eight hundred eighty-five".

Divisors: 1 5 17 85 5881 29405 99977 499885