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4423384 = 23778989
BaseRepresentation
bin10000110111111011011000
322022201202001
4100313323120
52113022014
6234450344
752412110
oct20677330
98281661
104423384
112551399
1215939b4
13bbb4b4
14832040
155c5974
hex437ed8

4423384 has 16 divisors (see below), whose sum is σ = 9478800. Its totient is φ = 1895712.

The previous prime is 4423381. The next prime is 4423403. The reversal of 4423384 is 4833244.

It is a super-2 number, since 2×44233842 = 39132652022912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 4 + 47 + 211 + 36 + 311 + 85 + 411 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423381) 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, 39439 + ... + 39550.

It is an arithmetic number, because the mean of its divisors is an integer number (592425).

Almost surely, 24423384 is an apocalyptic number.

It is an amenable number.

4423384 is an abundant number, since it is smaller than the sum of its proper divisors (5055416).

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

4423384 is a wasteful number, since it uses less digits than its factorization.

4423384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79002 (or 78998 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 4423384 is about 2103.1842525086. The cubic root of 4423384 is about 164.1540293925.

The spelling of 4423384 in words is "four million, four hundred twenty-three thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 78989 157978 315956 552923 631912 1105846 2211692 4423384