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4428115 = 5885623
BaseRepresentation
bin10000111001000101010011
322022222020021
4100321011103
52113144430
6234524311
752431646
oct20710523
98288207
104428115
1125549aa
121596697
13bc06b3
14833a5d
155c707a
hex439153

4428115 has 4 divisors (see below), whose sum is σ = 5313744. Its totient is φ = 3542488.

The previous prime is 4428113. The next prime is 4428139. The reversal of 4428115 is 5118244.

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 4428115 - 21 = 4428113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4428115.

It is not an unprimeable number, because it can be changed into a prime (4428113) 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, 442807 + ... + 442816.

It is an arithmetic number, because the mean of its divisors is an integer number (1328436).

Almost surely, 24428115 is an apocalyptic number.

4428115 is a deficient number, since it is larger than the sum of its proper divisors (885629).

4428115 is an equidigital number, since it uses as much as digits as its factorization.

4428115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885628.

The product of its digits is 1280, while the sum is 25.

The square root of 4428115 is about 2104.3086750760. The cubic root of 4428115 is about 164.2125318123.

The spelling of 4428115 in words is "four million, four hundred twenty-eight thousand, one hundred fifteen".

Divisors: 1 5 885623 4428115