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10607845 = 52121569
BaseRepresentation
bin101000011101…
…110011100101
3201221221020011
4220131303211
510203422340
61015210221
7156110443
oct50356345
921857204
1010607845
115a95916
123676971
132275441
1415a1b93
15de80ea
hexa1dce5

10607845 has 4 divisors (see below), whose sum is σ = 12729420. Its totient is φ = 8486272.

The previous prime is 10607837. The next prime is 10607869. The reversal of 10607845 is 54870601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54870601 = 233923459.

It can be written as a sum of positive squares in 2 ways, for example, as 2762244 + 7845601 = 1662^2 + 2801^2 .

It is a cyclic number.

It is not a de Polignac number, because 10607845 - 23 = 10607837 is a prime.

It is a super-2 number, since 2×106078452 = 225052751088050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060780 + ... + 1060789.

It is an arithmetic number, because the mean of its divisors is an integer number (3182355).

Almost surely, 210607845 is an apocalyptic number.

It is an amenable number.

10607845 is a deficient number, since it is larger than the sum of its proper divisors (2121575).

10607845 is an equidigital number, since it uses as much as digits as its factorization.

10607845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121574.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 10607845 is about 3256.9686826864. The cubic root of 10607845 is about 219.7231020482.

The spelling of 10607845 in words is "ten million, six hundred seven thousand, eight hundred forty-five".

Divisors: 1 5 2121569 10607845