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22433144 = 232804143
BaseRepresentation
bin101010110010…
…0110101111000
31120012201111012
41111210311320
521220330034
62120453052
7361451516
oct125446570
946181435
1022433144
1111732398
12761a188
134855a66
142d9d4b6
151e81cce
hex1564d78

22433144 has 8 divisors (see below), whose sum is σ = 42062160. Its totient is φ = 11216568.

The previous prime is 22433123. The next prime is 22433161. The reversal of 22433144 is 44133422.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1402064 + ... + 1402079.

It is an arithmetic number, because the mean of its divisors is an integer number (5257770).

Almost surely, 222433144 is an apocalyptic number.

It is an amenable number.

22433144 is a deficient number, since it is larger than the sum of its proper divisors (19629016).

22433144 is a wasteful number, since it uses less digits than its factorization.

22433144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804149 (or 2804145 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 22433144 is about 4736.3640062816. The cubic root of 22433144 is about 282.0309139022.

Adding to 22433144 its reverse (44133422), we get a palindrome (66566566).

The spelling of 22433144 in words is "twenty-two million, four hundred thirty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 2804143 5608286 11216572 22433144