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628057072 = 2439253567
BaseRepresentation
bin100101011011110…
…110001111110000
31121202210121100001
4211123312033300
52241240311242
6142153235344
721364253116
oct4533661760
91552717301
10628057072
112a2581635
12156402b54
13a0170406
145d5abab6
153a210eb7
hex256f63f0

628057072 has 10 divisors (see below), whose sum is σ = 1216860608. Its totient is φ = 314028528.

The previous prime is 628057063. The next prime is 628057109. The reversal of 628057072 is 270750826.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 19626768 + ... + 19626799.

Almost surely, 2628057072 is an apocalyptic number.

It is an amenable number.

628057072 is a deficient number, since it is larger than the sum of its proper divisors (588803536).

628057072 is a wasteful number, since it uses less digits than its factorization.

628057072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39253575 (or 39253569 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 628057072 is about 25061.0668567801. The cubic root of 628057072 is about 856.3797118781.

The spelling of 628057072 in words is "six hundred twenty-eight million, fifty-seven thousand, seventy-two".

Divisors: 1 2 4 8 16 39253567 78507134 157014268 314028536 628057072