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537825 = 35271101
BaseRepresentation
bin10000011010011100001
31000022202110
42003103201
5114202300
615305533
74400001
oct2032341
91008673
10537825
11338092
1221b2a9
1315aa52
14100001
15a9550
hex834e1

537825 has 24 divisors (see below), whose sum is σ = 910656. Its totient is φ = 280000.

The previous prime is 537811. The next prime is 537841. The reversal of 537825 is 528735.

It is a happy number.

537825 is nontrivially palindromic in base 14.

It is a Cunningham number, because it is equal to 145+1.

It is not a de Polignac number, because 537825 - 25 = 537793 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 537792 and 537801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5275 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (37944).

537825 is a Friedman number, since it can be written as 8-7+(5+3^2)^5, using all its digits and the basic arithmetic operations.

2537825 is an apocalyptic number.

It is an amenable number.

537825 is a deficient number, since it is larger than the sum of its proper divisors (372831).

537825 is a wasteful number, since it uses less digits than its factorization.

537825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 180 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 537825 is about 733.3655295963. The cubic root of 537825 is about 81.3230506723.

The spelling of 537825 in words is "five hundred thirty-seven thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 71 75 101 213 303 355 505 1065 1515 1775 2525 5325 7171 7575 21513 35855 107565 179275 537825