Search a number
-
+
22797008 = 2413127863
BaseRepresentation
bin101011011110…
…1101011010000
31120220012121122
41112331223100
521314001013
62132341412
7364525403
oct126755320
946805548
1022797008
1111960803
127774868
134952570
143055d3a
152004a08
hex15bdad0

22797008 has 40 divisors (see below), whose sum is σ = 47996928. Its totient is φ = 10426752.

The previous prime is 22797007. The next prime is 22797031. The reversal of 22797008 is 80079722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22797007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25985 + ... + 26847.

Almost surely, 222797008 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 22797008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23998464).

22797008 is an abundant number, since it is smaller than the sum of its proper divisors (25199920).

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

22797008 is a wasteful number, since it uses less digits than its factorization.

22797008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 22797008 is about 4774.6212415227. The cubic root of 22797008 is about 283.5475835843.

The spelling of 22797008 in words is "twenty-two million, seven hundred ninety-seven thousand, eight".

Divisors: 1 2 4 8 13 16 26 52 104 127 208 254 508 863 1016 1651 1726 2032 3302 3452 6604 6904 11219 13208 13808 22438 26416 44876 89752 109601 179504 219202 438404 876808 1424813 1753616 2849626 5699252 11398504 22797008