Search a number
-
+
22643068 = 227808681
BaseRepresentation
bin101011001100…
…0000101111100
31120121101110011
41112120011330
521244034233
62125153004
7363314530
oct126300574
946541404
1022643068
1111866088
1276bb764
1348ca486
143015bc0
151ec40cd
hex159817c

22643068 has 12 divisors (see below), whose sum is σ = 45286192. Its totient is φ = 9704160.

The previous prime is 22643039. The next prime is 22643081. The reversal of 22643068 is 86034622.

22643068 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404313 + ... + 404368.

Almost surely, 222643068 is an apocalyptic number.

22643068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22643068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22643068 is a wasteful number, since it uses less digits than its factorization.

22643068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808692 (or 808690 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 22643068 is about 4758.4732845735. The cubic root of 22643068 is about 282.9079099534.

The spelling of 22643068 in words is "twenty-two million, six hundred forty-three thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 808681 1617362 3234724 5660767 11321534 22643068