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502825 = 5220113
BaseRepresentation
bin1111010110000101001
3221112202011
41322300221
5112042300
614435521
74162651
oct1726051
9845664
10502825
11313864
12202ba1
13147b3b
14d1361
159deba
hex7ac29

502825 has 6 divisors (see below), whose sum is σ = 623534. Its totient is φ = 402240.

The previous prime is 502819. The next prime is 502829. The reversal of 502825 is 528205.

It can be written as a sum of positive squares in 3 ways, for example, as 144 + 502681 = 12^2 + 709^2 .

It is not a de Polignac number, because 502825 - 211 = 500777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 502796 and 502805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10032 + ... + 10081.

2502825 is an apocalyptic number.

It is an amenable number.

502825 is a deficient number, since it is larger than the sum of its proper divisors (120709).

502825 is a wasteful number, since it uses less digits than its factorization.

502825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20123 (or 20118 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 502825 is about 709.1015442093. The cubic root of 502825 is about 79.5192522233.

The spelling of 502825 in words is "five hundred two thousand, eight hundred twenty-five".

Divisors: 1 5 25 20113 100565 502825