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4440069 = 33164447
BaseRepresentation
bin10000111100000000000101
322100120122000
4100330000011
52114040234
6235055513
752511544
oct20740005
98316560
104440069
112562987
1215a1599
13bc5c7a
1483815b
155ca899
hex43c005

4440069 has 8 divisors (see below), whose sum is σ = 6577920. Its totient is φ = 2960028.

The previous prime is 4440067. The next prime is 4440071. The reversal of 4440069 is 9600444.

It is an interprime number because it is at equal distance from previous prime (4440067) and next prime (4440071).

It is not a de Polignac number, because 4440069 - 21 = 4440067 is a prime.

It is a super-2 number, since 2×44400692 = 39428425449522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 164447 = 4440069 / (4 + 4 + 4 + 0 + 0 + 6 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82197 + ... + 82250.

It is an arithmetic number, because the mean of its divisors is an integer number (822240).

Almost surely, 24440069 is an apocalyptic number.

It is an amenable number.

4440069 is a deficient number, since it is larger than the sum of its proper divisors (2137851).

4440069 is a wasteful number, since it uses less digits than its factorization.

4440069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164456 (or 164450 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4440069 is about 2107.1471234824. The cubic root of 4440069 is about 164.3601667040.

The spelling of 4440069 in words is "four million, four hundred forty thousand, sixty-nine".

Divisors: 1 3 9 27 164447 493341 1480023 4440069