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682377220 = 22574874123
BaseRepresentation
bin101000101011000…
…100000000000100
31202120000100120101
4220223010000010
52344142032340
6151413413444
722624052650
oct5053040004
91676010511
10682377220
11320203118
1217063a284
13ab4ac005
14668aba60
153ed90c9a
hex28ac4004

682377220 has 24 divisors (see below), whose sum is σ = 1637705664. Its totient is φ = 233957856.

The previous prime is 682377193. The next prime is 682377251. The reversal of 682377220 is 22773286.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 682377220.

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, 2436922 + ... + 2437201.

It is an arithmetic number, because the mean of its divisors is an integer number (68237736).

Almost surely, 2682377220 is an apocalyptic number.

It is an amenable number.

682377220 is an abundant number, since it is smaller than the sum of its proper divisors (955328444).

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

682377220 is a wasteful number, since it uses less digits than its factorization.

682377220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874139 (or 4874137 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 682377220 is about 26122.3509661745. The cubic root of 682377220 is about 880.3894711971.

It can be divided in two parts, 68237 and 7220, that added together give a palindrome (75457).

The spelling of 682377220 in words is "six hundred eighty-two million, three hundred seventy-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 4874123 9748246 19496492 24370615 34118861 48741230 68237722 97482460 136475444 170594305 341188610 682377220