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634775072 = 2519836721
BaseRepresentation
bin100101110101011…
…110011000100000
31122020102220200212
4211311132120200
52300000300242
6142553233252
721505333121
oct4565363040
91566386625
10634775072
112a634a9a8
12158702828
13a1683169
146043a048
153aadb782
hex25d5e620

634775072 has 12 divisors (see below), whose sum is σ = 1249713486. Its totient is φ = 317387520.

The previous prime is 634775059. The next prime is 634775131. The reversal of 634775072 is 270577436.

It can be written as a sum of positive squares in only one way, i.e., 591267856 + 43507216 = 24316^2 + 6596^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9918329 + ... + 9918392.

Almost surely, 2634775072 is an apocalyptic number.

It is an amenable number.

634775072 is a deficient number, since it is larger than the sum of its proper divisors (614938414).

634775072 is a wasteful number, since it uses less digits than its factorization.

634775072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19836731 (or 19836723 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 41.

The square root of 634775072 is about 25194.7429437174. The cubic root of 634775072 is about 859.4223053753.

The spelling of 634775072 in words is "six hundred thirty-four million, seven hundred seventy-five thousand, seventy-two".

Divisors: 1 2 4 8 16 32 19836721 39673442 79346884 158693768 317387536 634775072