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682905601 = 72291094409
BaseRepresentation
bin101000101101000…
…101000000000001
31202121000012101001
4220231011000001
52344310434401
6151433012001
722631413300
oct5055050001
91677005331
10682905601
113205340a4
12170854001
13ab635671
14669a8437
153ee47601
hex28b45001

682905601 has 24 divisors (see below), whose sum is σ = 829521000. Its totient is φ = 559851264.

The previous prime is 682905593. The next prime is 682905617. The reversal of 682905601 is 106509286.

It can be written as a sum of positive squares in 4 ways, for example, as 42562576 + 640343025 = 6524^2 + 25305^2 .

It is not a de Polignac number, because 682905601 - 23 = 682905593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (682905631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152685 + ... + 157093.

It is an arithmetic number, because the mean of its divisors is an integer number (34563375).

Almost surely, 2682905601 is an apocalyptic number.

It is an amenable number.

682905601 is a deficient number, since it is larger than the sum of its proper divisors (146615399).

682905601 is a wasteful number, since it uses less digits than its factorization.

682905601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561 (or 4554 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 682905601 is about 26132.4625896604. The cubic root of 682905601 is about 880.6166481115.

The spelling of 682905601 in words is "six hundred eighty-two million, nine hundred five thousand, six hundred one".

Divisors: 1 7 29 49 109 203 763 1421 3161 4409 5341 22127 30863 127861 154889 216041 480581 895027 3364067 6265189 13936849 23548469 97557943 682905601