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4224069 = 3517383
BaseRepresentation
bin10000000111010001000101
321221121100000
4100013101011
52040132234
6230311513
750622033
oct20072105
97847300
104224069
112425673
1214b8599
13b4b865
147bd553
15586899
hex407445

4224069 has 12 divisors (see below), whose sum is σ = 6327776. Its totient is φ = 2815884.

The previous prime is 4224049. The next prime is 4224097. The reversal of 4224069 is 9604224.

It is not a de Polignac number, because 4224069 - 25 = 4224037 is a prime.

It is a super-2 number, since 2×42240692 = 35685517833522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

4224069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8449 + ... + 8934.

Almost surely, 24224069 is an apocalyptic number.

It is an amenable number.

4224069 is a deficient number, since it is larger than the sum of its proper divisors (2103707).

4224069 is an equidigital number, since it uses as much as digits as its factorization.

4224069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17398 (or 17386 counting only the distinct ones).

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

The square root of 4224069 is about 2055.2539989014. The cubic root of 4224069 is about 161.6504810144.

The spelling of 4224069 in words is "four million, two hundred twenty-four thousand, sixty-nine".

Divisors: 1 3 9 27 81 243 17383 52149 156447 469341 1408023 4224069