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628830107 = 53197229263
BaseRepresentation
bin100101011110110…
…010111110011011
31121211020212201222
4211132302332123
52241440030412
6142222002255
721403652633
oct4536627633
91554225658
10628830107
112a2a5a404
1215671638b
13a0381229
145d72d6c3
153a315072
hex257b2f9b

628830107 has 16 divisors (see below), whose sum is σ = 649218240. Its totient is φ = 608829312.

The previous prime is 628830101. The next prime is 628830109. The reversal of 628830107 is 701038826.

It is a cyclic number.

It is not a de Polignac number, because 628830107 - 210 = 628829083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628830101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2390858 + ... + 2391120.

It is an arithmetic number, because the mean of its divisors is an integer number (40576140).

Almost surely, 2628830107 is an apocalyptic number.

628830107 is a deficient number, since it is larger than the sum of its proper divisors (20388133).

628830107 is a wasteful number, since it uses less digits than its factorization.

628830107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 628830107 is about 25076.4851404658. The cubic root of 628830107 is about 856.7309220343.

The spelling of 628830107 in words is "six hundred twenty-eight million, eight hundred thirty thousand, one hundred seven".

Divisors: 1 53 197 229 263 10441 12137 13939 45113 51811 60227 2390989 2745983 3192031 11864719 628830107