Search a number
-
+
10644605 = 52339137
BaseRepresentation
bin101000100110…
…110001111101
3202000210122122
4220212301331
510211111410
61020052325
7156322556
oct50466175
922023578
1010644605
1160104a4
1236940a5
1322890aa
1415b132d
15e03e55
hexa26c7d

10644605 has 8 divisors (see below), whose sum is σ = 12829752. Its totient is φ = 8478208.

The previous prime is 10644589. The next prime is 10644637. The reversal of 10644605 is 50644601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 334084 + 10310521 = 578^2 + 3211^2 .

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 10644605 - 24 = 10644589 is a prime.

It is a super-2 number, since 2×106446052 = 226615231212050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 3404 + ... + 5733.

It is an arithmetic number, because the mean of its divisors is an integer number (1603719).

Almost surely, 210644605 is an apocalyptic number.

It is an amenable number.

10644605 is a deficient number, since it is larger than the sum of its proper divisors (2185147).

10644605 is an equidigital number, since it uses as much as digits as its factorization.

10644605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9375.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 10644605 is about 3262.6070863651. The cubic root of 10644605 is about 219.9766159719.

The spelling of 10644605 in words is "ten million, six hundred forty-four thousand, six hundred five".

Divisors: 1 5 233 1165 9137 45685 2128921 10644605