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22461468 = 2231871789
BaseRepresentation
bin101010110101…
…1110000011100
31120021011100020
41111223300130
521222231333
62121232140
7361630221
oct125536034
946234306
1022461468
11117516a7
127632650
134865913
142da9948
151e8a3b3
hex156bc1c

22461468 has 12 divisors (see below), whose sum is σ = 52410120. Its totient is φ = 7487152.

The previous prime is 22461463. The next prime is 22461469. The reversal of 22461468 is 86416422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22461463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935883 + ... + 935906.

It is an arithmetic number, because the mean of its divisors is an integer number (4367510).

Almost surely, 222461468 is an apocalyptic number.

It is an amenable number.

22461468 is an abundant number, since it is smaller than the sum of its proper divisors (29948652).

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

22461468 is a wasteful number, since it uses less digits than its factorization.

22461468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871796 (or 1871794 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 22461468 is about 4739.3531204163. The cubic root of 22461468 is about 282.1495610252.

The spelling of 22461468 in words is "twenty-two million, four hundred sixty-one thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 1871789 3743578 5615367 7487156 11230734 22461468