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523285 = 5714951
BaseRepresentation
bin1111111110000010101
3222120210221
41333300111
5113221120
615114341
74306420
oct1776025
9876727
10523285
11328174
122129b1
13154249
14d89b7
15a50aa
hex7fc15

523285 has 8 divisors (see below), whose sum is σ = 717696. Its totient is φ = 358800.

The previous prime is 523261. The next prime is 523297. The reversal of 523285 is 582325.

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

It is not a de Polignac number, because 523285 - 217 = 392213 is a prime.

It is a d-powerful number, because it can be written as 52 + 210 + 217 + 33 + 83 + 58 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7441 + ... + 7510.

It is an arithmetic number, because the mean of its divisors is an integer number (89712).

2523285 is an apocalyptic number.

It is an amenable number.

523285 is a deficient number, since it is larger than the sum of its proper divisors (194411).

523285 is a wasteful number, since it uses less digits than its factorization.

523285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14963.

The product of its digits is 2400, while the sum is 25.

The square root of 523285 is about 723.3844067990. The cubic root of 523285 is about 80.5834942506.

It can be divided in two parts, 523 and 285, that added together give a palindrome (808).

The spelling of 523285 in words is "five hundred twenty-three thousand, two hundred eighty-five".

Divisors: 1 5 7 35 14951 74755 104657 523285