Search a number
-
+
10442709 = 331722751
BaseRepresentation
bin100111110101…
…011111010101
3201122112201000
4213311133111
510133131314
61011453513
7154522134
oct47653725
921575630
1010442709
115992842
1235b7299
132218224
14155b91b
15db4209
hex9f57d5

10442709 has 16 divisors (see below), whose sum is σ = 16381440. Its totient is φ = 6552000.

The previous prime is 10442701. The next prime is 10442767. The reversal of 10442709 is 90724401.

It is a happy number.

10442709 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10442709 - 23 = 10442701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10442701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10917 + ... + 11834.

It is an arithmetic number, because the mean of its divisors is an integer number (1023840).

Almost surely, 210442709 is an apocalyptic number.

It is an amenable number.

10442709 is a deficient number, since it is larger than the sum of its proper divisors (5938731).

10442709 is a wasteful number, since it uses less digits than its factorization.

10442709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22777 (or 22771 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 10442709 is about 3231.5180643159. The cubic root of 10442709 is about 218.5769653126.

The spelling of 10442709 in words is "ten million, four hundred forty-two thousand, seven hundred nine".

Divisors: 1 3 9 17 27 51 153 459 22751 68253 204759 386767 614277 1160301 3480903 10442709