Search a number
-
+
23349605 = 521612
BaseRepresentation
bin101100100010…
…0100101100101
31121221021122012
41121010211211
521434141410
62152244005
7402316436
oct131044545
947837565
1023349605
11121a89a4
1279a0605
134ab6c46
14315b48d
1520b3605
hex1644965

23349605 has 6 divisors (see below), whose sum is σ = 28032498. Its totient is φ = 18671040.

The previous prime is 23349593. The next prime is 23349607. The reversal of 23349605 is 50694332.

It can be written as a sum of positive squares in 3 ways, for example, as 4418404 + 18931201 = 2102^2 + 4351^2 .

It is not a de Polignac number, because 23349605 - 24 = 23349589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23349607) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 9725 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (4672083).

Almost surely, 223349605 is an apocalyptic number.

It is an amenable number.

23349605 is a deficient number, since it is larger than the sum of its proper divisors (4682893).

23349605 is an frugal number, since it uses more digits than its factorization.

23349605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 23349605 is about 4832.1428993770. The cubic root of 23349605 is about 285.8203714983.

The spelling of 23349605 in words is "twenty-three million, three hundred forty-nine thousand, six hundred five".

Divisors: 1 5 2161 10805 4669921 23349605