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634873488 = 24313226531
BaseRepresentation
bin100101110101110…
…110011010010000
31122020121220200220
4211311312122100
52300011422423
6142555313040
721506223054
oct4565663220
91566556626
10634873488
112a6407937
1215874b780
13a16b8bb2
1460463c64
153ab0a9e3
hex25d76690

634873488 has 20 divisors (see below), whose sum is σ = 1640089968. Its totient is φ = 211624480.

The previous prime is 634873387. The next prime is 634873513. The reversal of 634873488 is 884378436.

634873488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×6348734883 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 634873488.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6613218 + ... + 6613313.

Almost surely, 2634873488 is an apocalyptic number.

It is an amenable number.

634873488 is an abundant number, since it is smaller than the sum of its proper divisors (1005216480).

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

634873488 is a wasteful number, since it uses less digits than its factorization.

634873488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13226542 (or 13226536 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The square root of 634873488 is about 25196.6959738772. The cubic root of 634873488 is about 859.4667182382.

The spelling of 634873488 in words is "six hundred thirty-four million, eight hundred seventy-three thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 13226531 26453062 39679593 52906124 79359186 105812248 158718372 211624496 317436744 634873488