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634025 = 5273623
BaseRepresentation
bin10011010110010101001
31012012201102
42122302221
5130242100
621331145
75250320
oct2326251
91165642
10634025
113a3397
12266ab5
13192782
141270b7
15c7cd5
hex9aca9

634025 has 12 divisors (see below), whose sum is σ = 898752. Its totient is φ = 434640.

The previous prime is 634013. The next prime is 634031. The reversal of 634025 is 520436.

634025 is nontrivially palindromic in base 16.

634025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 634025 - 26 = 633961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 633988 and 634006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1637 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (74896).

2634025 is an apocalyptic number.

It is an amenable number.

634025 is a deficient number, since it is larger than the sum of its proper divisors (264727).

634025 is a wasteful number, since it uses less digits than its factorization.

634025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640 (or 3635 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 634025 is about 796.2568681022. The cubic root of 634025 is about 85.9083664331.

The spelling of 634025 in words is "six hundred thirty-four thousand, twenty-five".

Divisors: 1 5 7 25 35 175 3623 18115 25361 90575 126805 634025