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4428563 = 8235381
BaseRepresentation
bin10000111001001100010011
322022222211212
4100321030103
52113203223
6234530335
752433156
oct20711423
98288755
104428563
112555277
1215969ab
13bc0969
14833c9d
155c7278
hex439313

4428563 has 4 divisors (see below), whose sum is σ = 4434768. Its totient is φ = 4422360.

The previous prime is 4428559. The next prime is 4428587. The reversal of 4428563 is 3658244.

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 4428563 - 22 = 4428559 is a prime.

It is a super-2 number, since 2×44285632 = 39224340489938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4428553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868 + ... + 3513.

It is an arithmetic number, because the mean of its divisors is an integer number (1108692).

Almost surely, 24428563 is an apocalyptic number.

4428563 is a deficient number, since it is larger than the sum of its proper divisors (6205).

4428563 is an equidigital number, since it uses as much as digits as its factorization.

4428563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204.

The product of its digits is 23040, while the sum is 32.

The square root of 4428563 is about 2104.4151206452. The cubic root of 4428563 is about 164.2180695135.

The spelling of 4428563 in words is "four million, four hundred twenty-eight thousand, five hundred sixty-three".

Divisors: 1 823 5381 4428563