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634056648 = 23389296843
BaseRepresentation
bin100101110010101…
…110111111001000
31122012002102012120
4211302232333020
52244304303043
6142530011240
721466251441
oct4562567710
91565072176
10634056648
112a59aa165
12158416b20
13a1491164
14602d02c8
153a9e8983
hex25caefc8

634056648 has 32 divisors (see below), whose sum is σ = 1602957600. Its totient is φ = 208976768.

The previous prime is 634056623. The next prime is 634056659. The reversal of 634056648 is 846650436.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 146286 + ... + 150557.

It is an arithmetic number, because the mean of its divisors is an integer number (50092425).

Almost surely, 2634056648 is an apocalyptic number.

It is an amenable number.

634056648 is an abundant number, since it is smaller than the sum of its proper divisors (968900952).

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

634056648 is a wasteful number, since it uses less digits than its factorization.

634056648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296941 (or 296937 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 634056648 is about 25180.4814886451. The cubic root of 634056648 is about 859.0979581038.

The spelling of 634056648 in words is "six hundred thirty-four million, fifty-six thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 89 178 267 356 534 712 1068 2136 296843 593686 890529 1187372 1781058 2374744 3562116 7124232 26419027 52838054 79257081 105676108 158514162 211352216 317028324 634056648