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523325 = 52112173
BaseRepresentation
bin1111111110000111101
3222120212102
41333300331
5113221300
615114445
74306505
oct1776075
9876772
10523325
11328200
12212a25
1315427a
14d8a05
15a50d5
hex7fc3d

523325 has 18 divisors (see below), whose sum is σ = 717402. Its totient is φ = 378400.

The previous prime is 523307. The next prime is 523333.

523325 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 116281 + 407044 = 341^2 + 638^2 .

It is not a de Polignac number, because 523325 - 26 = 523261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523297 and 523306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2939 + ... + 3111.

2523325 is an apocalyptic number.

523325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

523325 is a deficient number, since it is larger than the sum of its proper divisors (194077).

523325 is a wasteful number, since it uses less digits than its factorization.

523325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 189 counting only the distinct ones).

The product of its digits is 900, while the sum is 20.

The square root of 523325 is about 723.4120540881. The cubic root of 523325 is about 80.5855474705.

It can be divided in two parts, 523 and 325, that added together give a palindrome (848).

The spelling of 523325 in words is "five hundred twenty-three thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 121 173 275 605 865 1903 3025 4325 9515 20933 47575 104665 523325