Search a number
-
+
22204293 = 319794931
BaseRepresentation
bin101010010110…
…0111110000101
31112210002120020
41110230332011
521141014133
62111525353
7356506356
oct124547605
945702506
1022204293
1111596461
127529859
1347a5847
142d3dd2d
151e390b3
hex152cf85

22204293 has 16 divisors (see below), whose sum is σ = 31564800. Its totient is φ = 13843440.

The previous prime is 22204253. The next prime is 22204307. The reversal of 22204293 is 39240222.

It is not a de Polignac number, because 22204293 - 26 = 22204229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204253) 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, 2038 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (1972800).

Almost surely, 222204293 is an apocalyptic number.

It is an amenable number.

22204293 is a deficient number, since it is larger than the sum of its proper divisors (9360507).

22204293 is a wasteful number, since it uses less digits than its factorization.

22204293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22204293 is about 4712.1431429871. The cubic root of 22204293 is about 281.0685909652.

The spelling of 22204293 in words is "twenty-two million, two hundred four thousand, two hundred ninety-three".

Divisors: 1 3 19 57 79 237 1501 4503 4931 14793 93689 281067 389549 1168647 7401431 22204293