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628085834 = 22517271721
BaseRepresentation
bin100101011011111…
…101010001001010
31121202212001210022
4211123331101022
52241242221314
6142154020442
721364433015
oct4533752112
91552761708
10628085834
112a25a1202
12156417722
13a018052c
145d5b837c
153a21978e
hex256fd44a

628085834 has 16 divisors (see below), whose sum is σ = 947733696. Its totient is φ = 312180000.

The previous prime is 628085833. The next prime is 628085837. The reversal of 628085834 is 438580826.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (628085833) 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, 364094 + ... + 365814.

It is an arithmetic number, because the mean of its divisors is an integer number (59233356).

Almost surely, 2628085834 is an apocalyptic number.

628085834 is a deficient number, since it is larger than the sum of its proper divisors (319647862).

628085834 is a wasteful number, since it uses less digits than its factorization.

628085834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 628085834 is about 25061.6406885104. The cubic root of 628085834 is about 856.3927843723.

The spelling of 628085834 in words is "six hundred twenty-eight million, eighty-five thousand, eight hundred thirty-four".

Divisors: 1 2 251 502 727 1454 1721 3442 182477 364954 431971 863942 1251167 2502334 314042917 628085834