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10668745 = 56731847
BaseRepresentation
bin101000101100…
…101011001001
3202002000202201
4220230223021
510212344440
61020400201
7156453133
oct50545311
922060681
1010668745
11602764a
1236a6061
132297089
1415ba053
15e0b19a
hexa2cac9

10668745 has 8 divisors (see below), whose sum is σ = 12993984. Its totient is φ = 8407344.

The previous prime is 10668703. The next prime is 10668751. The reversal of 10668745 is 54786601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10668745 - 213 = 10660553 is a prime.

It is a super-2 number, since 2×106687452 = 227644239750050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15589 + ... + 16258.

It is an arithmetic number, because the mean of its divisors is an integer number (1624248).

Almost surely, 210668745 is an apocalyptic number.

It is an amenable number.

10668745 is a deficient number, since it is larger than the sum of its proper divisors (2325239).

10668745 is an equidigital number, since it uses as much as digits as its factorization.

10668745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31919.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 10668745 is about 3266.3044867250. The cubic root of 10668745 is about 220.1427792176.

The spelling of 10668745 in words is "ten million, six hundred sixty-eight thousand, seven hundred forty-five".

Divisors: 1 5 67 335 31847 159235 2133749 10668745