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680033622 = 23128388339
BaseRepresentation
bin101000100010000…
…111110101010110
31202101121021202110
4220202013311112
52343042033442
6151251251450
722565122212
oct5042076526
91671537673
10680033622
11319952364
1216b8a9b86
13aab6b378
146645b942
153ea7b69c
hex28887d56

680033622 has 16 divisors (see below), whose sum is σ = 1361142720. Its totient is φ = 226498632.

The previous prime is 680033611. The next prime is 680033681. The reversal of 680033622 is 226330086.

It is a self number, because there is not a number n which added to its sum of digits gives 680033622.

It is a congruent number.

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, 36472 + ... + 51867.

It is an arithmetic number, because the mean of its divisors is an integer number (85071420).

Almost surely, 2680033622 is an apocalyptic number.

680033622 is an abundant number, since it is smaller than the sum of its proper divisors (681109098).

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

680033622 is a wasteful number, since it uses less digits than its factorization.

680033622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89627.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 680033622 is about 26077.4542852634. The cubic root of 680033622 is about 879.3804273503.

The spelling of 680033622 in words is "six hundred eighty million, thirty-three thousand, six hundred twenty-two".

Divisors: 1 2 3 6 1283 2566 3849 7698 88339 176678 265017 530034 113338937 226677874 340016811 680033622