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682663605 = 351319118329
BaseRepresentation
bin101000101100001…
…001111010110101
31202120112220102020
4220230021322311
52344230213410
6151423503353
722626354621
oct5054117265
91676486366
10682663605
113203892a8
12170757b59
13ab57c480
1466944181
153edeaa70
hex28b09eb5

682663605 has 32 divisors (see below), whose sum is σ = 1182504960. Its totient is φ = 334302720.

The previous prime is 682663591. The next prime is 682663609. The reversal of 682663605 is 506366286.

682663605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 682663605 - 211 = 682661557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682663609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28081 + ... + 46409.

It is an arithmetic number, because the mean of its divisors is an integer number (36953280).

Almost surely, 2682663605 is an apocalyptic number.

682663605 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

682663605 is a deficient number, since it is larger than the sum of its proper divisors (499841355).

682663605 is a wasteful number, since it uses less digits than its factorization.

682663605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 682663605 is about 26127.8319996130. The cubic root of 682663605 is about 880.5126167084.

The spelling of 682663605 in words is "six hundred eighty-two million, six hundred sixty-three thousand, six hundred five".

Divisors: 1 3 5 13 15 39 65 191 195 573 955 2483 2865 7449 12415 18329 37245 54987 91645 238277 274935 714831 1191385 3500839 3574155 10502517 17504195 45510907 52512585 136532721 227554535 682663605