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682938220 = 225193176927
BaseRepresentation
bin101000101101001…
…100111101101100
31202121001212010011
4220231030331230
52344313010340
6151433423004
722631610346
oct5055147554
91677055104
10682938220
11320556658
1217086aa64
13ab647473
14669b6296
153ee520ea
hex28b4cf6c

682938220 has 24 divisors (see below), whose sum is σ = 1441609344. Its totient is φ = 271758336.

The previous prime is 682938211. The next prime is 682938253. The reversal of 682938220 is 22839286.

It is a super-2 number, since 2×6829382202 = 932809224673536800, which contains 22 as substring.

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, 84604 + ... + 92323.

It is an arithmetic number, because the mean of its divisors is an integer number (60067056).

Almost surely, 2682938220 is an apocalyptic number.

It is an amenable number.

682938220 is an abundant number, since it is smaller than the sum of its proper divisors (758671124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

682938220 is a wasteful number, since it uses less digits than its factorization.

682938220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177129 (or 177127 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 682938220 is about 26133.0866910130. The cubic root of 682938220 is about 880.6306687790.

The spelling of 682938220 in words is "six hundred eighty-two million, nine hundred thirty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 176927 353854 707708 884635 1769270 3538540 34146911 68293822 136587644 170734555 341469110 682938220