Search a number
-
+
22300123 = 157142039
BaseRepresentation
bin101010100010…
…0010111011011
31112221222000111
41111010113123
521202100443
62113545151
7360355636
oct125042733
945858014
1022300123
111165145a
1275751b7
13480a351
142d66c1d
151e5769d
hex15445db

22300123 has 4 divisors (see below), whose sum is σ = 22442320. Its totient is φ = 22157928.

The previous prime is 22300111. The next prime is 22300127. The reversal of 22300123 is 32100322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22300123 - 29 = 22299611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22300127) 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 3 ways as a sum of consecutive naturals, for example, 70863 + ... + 71176.

It is an arithmetic number, because the mean of its divisors is an integer number (5610580).

Almost surely, 222300123 is an apocalyptic number.

22300123 is a deficient number, since it is larger than the sum of its proper divisors (142197).

22300123 is a wasteful number, since it uses less digits than its factorization.

22300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142196.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22300123 is about 4722.3006045782. The cubic root of 22300123 is about 281.4723589365.

Adding to 22300123 its reverse (32100322), we get a palindrome (54400445).

The spelling of 22300123 in words is "twenty-two million, three hundred thousand, one hundred twenty-three".

Divisors: 1 157 142039 22300123