Search a number
-
+
10824505 = 52164901
BaseRepresentation
bin101001010010…
…101100111001
3202100221102121
4221102230321
510232341010
61024001241
7161002216
oct51225471
922327377
1010824505
11612367a
123760221
13231cc43
14161ab0d
15e3c3da
hexa52b39

10824505 has 4 divisors (see below), whose sum is σ = 12989412. Its totient is φ = 8659600.

The previous prime is 10824503. The next prime is 10824551. The reversal of 10824505 is 50542801.

10824505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50542801 = 70172101.

It can be written as a sum of positive squares in 2 ways, for example, as 2408704 + 8415801 = 1552^2 + 2901^2 .

It is not a de Polignac number, because 10824505 - 21 = 10824503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10824505.

It is not an unprimeable number, because it can be changed into a prime (10824503) 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, 1082446 + ... + 1082455.

It is an arithmetic number, because the mean of its divisors is an integer number (3247353).

Almost surely, 210824505 is an apocalyptic number.

It is an amenable number.

10824505 is a deficient number, since it is larger than the sum of its proper divisors (2164907).

10824505 is an equidigital number, since it uses as much as digits as its factorization.

10824505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164906.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 10824505 is about 3290.0615495762. The cubic root of 10824505 is about 221.2089436198.

The spelling of 10824505 in words is "ten million, eight hundred twenty-four thousand, five hundred five".

Divisors: 1 5 2164901 10824505