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22008016 = 243144371
BaseRepresentation
bin101001111110…
…1000011010000
31112102010022201
41103331003100
521113224031
62103412544
7355031212
oct123750320
945363281
1022008016
1111471a48
127454154
1347373c4
142ccc5b2
151dead61
hex14fd0d0

22008016 has 20 divisors (see below), whose sum is σ = 44017024. Its totient is φ = 10648800.

The previous prime is 22007989. The next prime is 22008037. The reversal of 22008016 is 61080022.

It is a happy number.

22008016 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22007984 and 22008002.

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, 21690 + ... + 22681.

Almost surely, 222008016 is an apocalyptic number.

It is an amenable number.

22008016 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.

22008016 is a wasteful number, since it uses less digits than its factorization.

22008016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44410 (or 44404 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 22008016 is about 4691.2701904708. The cubic root of 22008016 is about 280.2379609744.

Adding to 22008016 its reverse (61080022), we get a palindrome (83088038).

The spelling of 22008016 in words is "twenty-two million, eight thousand, sixteen".

Divisors: 1 2 4 8 16 31 62 124 248 496 44371 88742 177484 354968 709936 1375501 2751002 5502004 11004008 22008016