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628084079 = 7531692949
BaseRepresentation
bin100101011011111…
…100110101101111
31121202211222101022
4211123330311233
52241242142304
6142154004355
721364424630
oct4533746557
91552758338
10628084079
112a259a957
121564166bb
13a017c7ac
145d5b7887
153a218ebe
hex256fcd6f

628084079 has 8 divisors (see below), whose sum is σ = 731354400. Its totient is φ = 528199776.

The previous prime is 628084033. The next prime is 628084103. The reversal of 628084079 is 970480826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 628084079 - 212 = 628079983 is a prime.

It is a super-2 number, since 2×6280840792 = 788979220586556482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628084019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846104 + ... + 846845.

It is an arithmetic number, because the mean of its divisors is an integer number (91419300).

Almost surely, 2628084079 is an apocalyptic number.

628084079 is a deficient number, since it is larger than the sum of its proper divisors (103270321).

628084079 is a wasteful number, since it uses less digits than its factorization.

628084079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693009.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 628084079 is about 25061.6056748166. The cubic root of 628084079 is about 856.3919867262.

The spelling of 628084079 in words is "six hundred twenty-eight million, eighty-four thousand, seventy-nine".

Divisors: 1 7 53 371 1692949 11850643 89726297 628084079