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628112008 = 23437125717
BaseRepresentation
bin100101011100000…
…011101010001000
31121202220101200201
4211130003222020
52241244041013
6142154341544
721364602226
oct4534035210
91552811621
10628112008
112a2609937
1215642a8b4
13a018c414
145d5c3b16
153a2223dd
hex25703a88

628112008 has 32 divisors (see below), whose sum is σ = 1222119360. Its totient is φ = 302420160.

The previous prime is 628111993. The next prime is 628112027. The reversal of 628112008 is 800211826.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11566 + ... + 37282.

It is an arithmetic number, because the mean of its divisors is an integer number (38191230).

Almost surely, 2628112008 is an apocalyptic number.

It is an amenable number.

628112008 is a deficient number, since it is larger than the sum of its proper divisors (594007352).

628112008 is a wasteful number, since it uses less digits than its factorization.

628112008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25837 (or 25833 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 628112008 is about 25062.1628755381. The cubic root of 628112008 is about 856.4046802588.

The spelling of 628112008 in words is "six hundred twenty-eight million, one hundred twelve thousand, eight".

Divisors: 1 2 4 8 43 71 86 142 172 284 344 568 3053 6106 12212 24424 25717 51434 102868 205736 1105831 1825907 2211662 3651814 4423324 7303628 8846648 14607256 78514001 157028002 314056004 628112008