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634641324 = 223233322669
BaseRepresentation
bin100101110100111…
…101101110101100
31122020012010020020
4211310331232230
52244432010244
6142550322140
721504235152
oct4564755654
91566163206
10634641324
112a6269469
12158659350
13a1637315
14604033d2
153aab1d19
hex25d3dbac

634641324 has 24 divisors (see below), whose sum is σ = 1481529840. Its totient is φ = 211447104.

The previous prime is 634641313. The next prime is 634641361. The reversal of 634641324 is 423146436.

It is a super-2 number, since 2×6346413242 = 805539220256945952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16662 + ... + 39330.

It is an arithmetic number, because the mean of its divisors is an integer number (61730410).

Almost surely, 2634641324 is an apocalyptic number.

It is an amenable number.

634641324 is an abundant number, since it is smaller than the sum of its proper divisors (846888516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634641324 is a wasteful number, since it uses less digits than its factorization.

634641324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25009 (or 25007 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 634641324 is about 25192.0885200096. The cubic root of 634641324 is about 859.3619406395.

The spelling of 634641324 in words is "six hundred thirty-four million, six hundred forty-one thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 2333 4666 6999 9332 13998 22669 27996 45338 68007 90676 136014 272028 52886777 105773554 158660331 211547108 317320662 634641324