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4428367 = 25717231
BaseRepresentation
bin10000111001001001001111
322022222120121
4100321021033
52113201432
6234525411
752432456
oct20711117
98288517
104428367
112555109
121596867
13bc0848
14833b9d
155c7197
hex43924f

4428367 has 4 divisors (see below), whose sum is σ = 4445856. Its totient is φ = 4410880.

The previous prime is 4428353. The next prime is 4428379. The reversal of 4428367 is 7638244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4428367 - 27 = 4428239 is a prime.

It is a super-2 number, since 2×44283672 = 39220868573378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8359 + ... + 8872.

It is an arithmetic number, because the mean of its divisors is an integer number (1111464).

Almost surely, 24428367 is an apocalyptic number.

4428367 is a deficient number, since it is larger than the sum of its proper divisors (17489).

4428367 is a wasteful number, since it uses less digits than its factorization.

4428367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17488.

The product of its digits is 32256, while the sum is 34.

The square root of 4428367 is about 2104.3685513712. The cubic root of 4428367 is about 164.2156468152.

The spelling of 4428367 in words is "four million, four hundred twenty-eight thousand, three hundred sixty-seven".

Divisors: 1 257 17231 4428367