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2285065 = 5457013
BaseRepresentation
bin1000101101111000001001
311022002112001
420231320021
51041110230
6120551001
725264666
oct10557011
94262461
102285065
111320892
12922461
13620113
14436a6d
153020ca
hex22de09

2285065 has 4 divisors (see below), whose sum is σ = 2742084. Its totient is φ = 1828048.

The previous prime is 2285057. The next prime is 2285069. The reversal of 2285065 is 5605822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5605822 = 22802911.

It can be written as a sum of positive squares in 2 ways, for example, as 1408969 + 876096 = 1187^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285065 - 23 = 2285057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2285069) 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, 228502 + ... + 228511.

It is an arithmetic number, because the mean of its divisors is an integer number (685521).

22285065 is an apocalyptic number.

It is an amenable number.

2285065 is a deficient number, since it is larger than the sum of its proper divisors (457019).

2285065 is an equidigital number, since it uses as much as digits as its factorization.

2285065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457018.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2285065 is about 1511.6431457193. The cubic root of 2285065 is about 131.7142771437.

The spelling of 2285065 in words is "two million, two hundred eighty-five thousand, sixty-five".

Divisors: 1 5 457013 2285065