Search a number
-
+
22300409 = 239071069
BaseRepresentation
bin101010100010…
…0011011111001
31112221222102002
41111010123321
521202103114
62113550345
7360356525
oct125043371
945858362
1022300409
111165169a
1275753b5
13480a511
142d66d85
151e577de
hex15446f9

22300409 has 8 divisors (see below), whose sum is σ = 23317440. Its totient is φ = 21287376.

The previous prime is 22300393. The next prime is 22300417. The reversal of 22300409 is 90400322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22300409 - 24 = 22300393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22300459) 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 7 ways as a sum of consecutive naturals, for example, 20327 + ... + 21395.

It is an arithmetic number, because the mean of its divisors is an integer number (2914680).

Almost surely, 222300409 is an apocalyptic number.

It is an amenable number.

22300409 is a deficient number, since it is larger than the sum of its proper divisors (1017031).

22300409 is a wasteful number, since it uses less digits than its factorization.

22300409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 22300409 is about 4722.3308863315. The cubic root of 22300409 is about 281.4735622295.

The spelling of 22300409 in words is "twenty-two million, three hundred thousand, four hundred nine".

Divisors: 1 23 907 1069 20861 24587 969583 22300409