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22380016 = 243145121
BaseRepresentation
bin101010101011…
…1110111110000
31120010000121111
41111113313300
521212130031
62115403104
7361140601
oct125276760
946100544
1022380016
11116a648a
1275b3494
134837819
142d87da8
151e711b1
hex1557df0

22380016 has 20 divisors (see below), whose sum is σ = 44761024. Its totient is φ = 10828800.

The previous prime is 22380011. The next prime is 22380019. The reversal of 22380016 is 61008322.

22380016 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22380011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22065 + ... + 23056.

Almost surely, 222380016 is an apocalyptic number.

It is an amenable number.

22380016 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.

22380016 is a wasteful number, since it uses less digits than its factorization.

22380016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45160 (or 45154 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22380016 is about 4730.7521600693. The cubic root of 22380016 is about 281.8080950447.

Adding to 22380016 its reverse (61008322), we get a palindrome (83388338).

The spelling of 22380016 in words is "twenty-two million, three hundred eighty thousand, sixteen".

Divisors: 1 2 4 8 16 31 62 124 248 496 45121 90242 180484 360968 721936 1398751 2797502 5595004 11190008 22380016