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634448329 = 7319145503
BaseRepresentation
bin100101110100001…
…110100111001001
31122012211022111021
4211310032213021
52244404321304
6142542232441
721502502404
oct4564164711
91565738437
10634448329
112a6147469
12158585721
13a159a518
1460392d3b
153aa74a54
hex25d0e9c9

634448329 has 8 divisors (see below), whose sum is σ = 646520832. Its totient is φ = 622467360.

The previous prime is 634448303. The next prime is 634448369. The reversal of 634448329 is 923844436.

634448329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634448329 - 213 = 634440137 is a prime.

It is a super-3 number, since 3×6344483293 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634448369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8809 + ... + 36694.

It is an arithmetic number, because the mean of its divisors is an integer number (80815104).

Almost surely, 2634448329 is an apocalyptic number.

It is an amenable number.

634448329 is a deficient number, since it is larger than the sum of its proper divisors (12072503).

634448329 is a wasteful number, since it uses less digits than its factorization.

634448329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45767.

The product of its digits is 497664, while the sum is 43.

The square root of 634448329 is about 25188.2577603136. The cubic root of 634448329 is about 859.2748208936.

The spelling of 634448329 in words is "six hundred thirty-four million, four hundred forty-eight thousand, three hundred twenty-nine".

Divisors: 1 73 191 13943 45503 3321719 8691073 634448329