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634325 = 5225373
BaseRepresentation
bin10011010110111010101
31012020010112
42122313111
5130244300
621332405
75251226
oct2326725
91166115
10634325
113a363a
12267105
13192953
1412724d
15c7e35
hex9add5

634325 has 6 divisors (see below), whose sum is σ = 786594. Its totient is φ = 507440.

The previous prime is 634313. The next prime is 634327. The reversal of 634325 is 523436.

It can be written as a sum of positive squares in 3 ways, for example, as 5476 + 628849 = 74^2 + 793^2 .

It is not a de Polignac number, because 634325 - 26 = 634261 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634325.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 634325.

It is not an unprimeable number, because it can be changed into a prime (634327) 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, 12662 + ... + 12711.

It is an arithmetic number, because the mean of its divisors is an integer number (131099).

2634325 is an apocalyptic number.

It is an amenable number.

634325 is a deficient number, since it is larger than the sum of its proper divisors (152269).

634325 is a wasteful number, since it uses less digits than its factorization.

634325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25383 (or 25378 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 634325 is about 796.4452272442. The cubic root of 634325 is about 85.9219139778.

Subtracting from 634325 its reverse (523436), we obtain a square (110889 = 3332).

It can be divided in two parts, 634 and 325, that added together give a palindrome (959).

The spelling of 634325 in words is "six hundred thirty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 25373 126865 634325