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10680289 = 27738557
BaseRepresentation
bin101000101111…
…011111100001
3202002121121021
4220233133201
510213232124
61020525441
7156531604
oct50573741
922077537
1010680289
116035294
1236b0881
13229c3c9
1415c033b
15e0e7e4
hexa2f7e1

10680289 has 4 divisors (see below), whose sum is σ = 10719124. Its totient is φ = 10641456.

The previous prime is 10680283. The next prime is 10680311. The reversal of 10680289 is 98208601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 8065600 = 1617^2 + 2840^2 .

It is a cyclic number.

It is not a de Polignac number, because 10680289 - 23 = 10680281 is a prime.

It is a super-2 number, since 2×106802892 = 228137146247042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10680281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19002 + ... + 19555.

It is an arithmetic number, because the mean of its divisors is an integer number (2679781).

Almost surely, 210680289 is an apocalyptic number.

It is an amenable number.

10680289 is a deficient number, since it is larger than the sum of its proper divisors (38835).

10680289 is an equidigital number, since it uses as much as digits as its factorization.

10680289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38834.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 10680289 is about 3268.0711436565. The cubic root of 10680289 is about 220.2221516332. Note that the first 3 decimals are identical.

The spelling of 10680289 in words is "ten million, six hundred eighty thousand, two hundred eighty-nine".

Divisors: 1 277 38557 10680289