Search a number
-
+
23243385 = 3511140869
BaseRepresentation
bin101100010101…
…0101001111001
31121201212221010
41120222221321
521422242020
62150104133
7401364654
oct130525171
947655833
1023243385
1112136110
12794b049
134a7a7a9
14313089b
152091de0
hex162aa79

23243385 has 16 divisors (see below), whose sum is σ = 40570560. Its totient is φ = 11269440.

The previous prime is 23243377. The next prime is 23243387. The reversal of 23243385 is 58334232.

It is not a de Polignac number, because 23243385 - 23 = 23243377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23243387) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 70270 + ... + 70599.

It is an arithmetic number, because the mean of its divisors is an integer number (2535660).

Almost surely, 223243385 is an apocalyptic number.

It is an amenable number.

23243385 is a deficient number, since it is larger than the sum of its proper divisors (17327175).

23243385 is a wasteful number, since it uses less digits than its factorization.

23243385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140888.

The product of its digits is 17280, while the sum is 30.

The square root of 23243385 is about 4821.1393881530. The cubic root of 23243385 is about 285.3863028656.

The spelling of 23243385 in words is "twenty-three million, two hundred forty-three thousand, three hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 140869 422607 704345 1549559 2113035 4648677 7747795 23243385