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634330344 = 23326430431
BaseRepresentation
bin100101110011110…
…001110011101000
31122012121022122110
4211303301303220
52244342032334
6142535522320
721501501414
oct4563616350
91565538573
10634330344
112a607685a
121585293a0
13a15588cb
1460361d44
153aa4eae9
hex25cf1ce8

634330344 has 16 divisors (see below), whose sum is σ = 1585825920. Its totient is φ = 211443440.

The previous prime is 634330343. The next prime is 634330349. The reversal of 634330344 is 443033436.

It is not an unprimeable number, because it can be changed into a prime (634330343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13215192 + ... + 13215239.

It is an arithmetic number, because the mean of its divisors is an integer number (99114120).

Almost surely, 2634330344 is an apocalyptic number.

It is an amenable number.

634330344 is an abundant number, since it is smaller than the sum of its proper divisors (951495576).

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

634330344 is a wasteful number, since it uses less digits than its factorization.

634330344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26430440 (or 26430436 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

The square root of 634330344 is about 25185.9155878836. The cubic root of 634330344 is about 859.2215526603.

The spelling of 634330344 in words is "six hundred thirty-four million, three hundred thirty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 26430431 52860862 79291293 105721724 158582586 211443448 317165172 634330344