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634304325 = 3528457391
BaseRepresentation
bin100101110011101…
…011011101000101
31122012112222221210
4211303223131011
52244340214300
6142535202033
721501332514
oct4563533505
91565488853
10634304325
112a6059256
12158516319
13a1549b05
146035667b
153aa47050
hex25ceb745

634304325 has 12 divisors (see below), whose sum is σ = 1048716608. Its totient is φ = 338295600.

The previous prime is 634304263. The next prime is 634304329. The reversal of 634304325 is 523403436.

It is not a de Polignac number, because 634304325 - 26 = 634304261 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 = 634304292 and 634304301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634304329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4228621 + ... + 4228770.

Almost surely, 2634304325 is an apocalyptic number.

It is an amenable number.

634304325 is a deficient number, since it is larger than the sum of its proper divisors (414412283).

634304325 is a wasteful number, since it uses less digits than its factorization.

634304325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8457404 (or 8457399 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 634304325 is about 25185.3990438905. The cubic root of 634304325 is about 859.2098046326.

The spelling of 634304325 in words is "six hundred thirty-four million, three hundred four thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 8457391 25372173 42286955 126860865 211434775 634304325