Search a number
-
+
22813307 = 112073937
BaseRepresentation
bin101011100000…
…1101001111011
31120221000222022
41113001221323
521320011212
62132545055
7364624046
oct127015173
946830868
1022813307
1111971a80
12778218b
134959aca
14305bc5d
152009772
hex15c1a7b

22813307 has 4 divisors (see below), whose sum is σ = 24887256. Its totient is φ = 20739360.

The previous prime is 22813279. The next prime is 22813313. The reversal of 22813307 is 70331822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22813307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22813327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036958 + ... + 1036979.

It is an arithmetic number, because the mean of its divisors is an integer number (6221814).

Almost surely, 222813307 is an apocalyptic number.

22813307 is a deficient number, since it is larger than the sum of its proper divisors (2073949).

22813307 is a wasteful number, since it uses less digits than its factorization.

22813307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073948.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22813307 is about 4776.3277735097. The cubic root of 22813307 is about 283.6151427583.

The spelling of 22813307 in words is "twenty-two million, eight hundred thirteen thousand, three hundred seven".

Divisors: 1 11 2073937 22813307