Search a number
-
+
22616868 = 22317293823
BaseRepresentation
bin101011001000…
…1101100100100
31120120001111210
41112101230210
521242214433
62124431420
7363145251
oct126215444
946501453
1022616868
111184842a
1276a8570
1348bb581
14300a428
151ebb463
hex1591b24

22616868 has 48 divisors (see below), whose sum is σ = 57818880. Its totient is φ = 6849024.

The previous prime is 22616827. The next prime is 22616873. The reversal of 22616868 is 86861622.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4005 + ... + 7827.

It is an arithmetic number, because the mean of its divisors is an integer number (1204560).

Almost surely, 222616868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22616868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28909440).

22616868 is an abundant number, since it is smaller than the sum of its proper divisors (35202012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22616868 is a wasteful number, since it uses less digits than its factorization.

22616868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876 (or 3874 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 22616868 is about 4755.7195039237. The cubic root of 22616868 is about 282.7987514841.

The spelling of 22616868 in words is "twenty-two million, six hundred sixteen thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 17 29 34 51 58 68 87 102 116 174 204 348 493 986 1479 1972 2958 3823 5916 7646 11469 15292 22938 45876 64991 110867 129982 194973 221734 259964 332601 389946 443468 665202 779892 1330404 1884739 3769478 5654217 7538956 11308434 22616868