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485239 = 631769
BaseRepresentation
bin1110110011101110111
3220122121211
41312131313
5111011424
614222251
74060456
oct1663567
9818554
10485239
11301627
121b4987
1313cb31
14c8b9d
1598b94
hex76777

485239 has 4 divisors (see below), whose sum is σ = 486640. Its totient is φ = 483840.

The previous prime is 485209. The next prime is 485263. The reversal of 485239 is 932584.

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 is a cyclic number.

It is not a de Polignac number, because 485239 - 25 = 485207 is a prime.

It is a d-powerful number, because it can be written as 49 + 85 + 217 + 53 + 310 + 92 .

It is a Duffinian number.

485239 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 485239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485209) 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, 247 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (121660).

2485239 is an apocalyptic number.

485239 is a deficient number, since it is larger than the sum of its proper divisors (1401).

485239 is an equidigital number, since it uses as much as digits as its factorization.

485239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its digits is 8640, while the sum is 31.

The square root of 485239 is about 696.5909847249. The cubic root of 485239 is about 78.5811836766.

The spelling of 485239 in words is "four hundred eighty-five thousand, two hundred thirty-nine".

Divisors: 1 631 769 485239