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628108 = 221347257
BaseRepresentation
bin10011001010110001100
31011220121021
42121112030
5130044413
621243524
75224135
oct2312614
91156537
10628108
113999a8
122635a4
1318cb80
14124c8c
15c618d
hex9958c

628108 has 24 divisors (see below), whose sum is σ = 1213632. Its totient is φ = 282624.

The previous prime is 628097. The next prime is 628127. The reversal of 628108 is 801826.

It is an unprimeable number.

628108 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2316 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (50568).

2628108 is an apocalyptic number.

It is an amenable number.

628108 is a deficient number, since it is larger than the sum of its proper divisors (585524).

628108 is a wasteful number, since it uses less digits than its factorization.

628108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 628108 is about 792.5326491697. The cubic root of 628108 is about 85.6402858674.

The spelling of 628108 in words is "six hundred twenty-eight thousand, one hundred eight".

Divisors: 1 2 4 13 26 47 52 94 188 257 514 611 1028 1222 2444 3341 6682 12079 13364 24158 48316 157027 314054 628108