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2283385 = 51335129
BaseRepresentation
bin1000101101011101111001
311022000012211
420231131321
51041032020
6120535121
725260046
oct10553571
94260184
102283385
11131a5a5
129214a1
1361c420
144361cd
1530185a
hex22d779

2283385 has 8 divisors (see below), whose sum is σ = 2950920. Its totient is φ = 1686144.

The previous prime is 2283377. The next prime is 2283403. The reversal of 2283385 is 5833822.

2283385 = 10682 + 10692.

It can be written as a sum of positive squares in 4 ways, for example, as 45369 + 2238016 = 213^2 + 1496^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2283385 - 23 = 2283377 is a prime.

It is a d-powerful number, because it can be written as 25 + 213 + 8 + 36 + 311 + 87 + 53 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17500 + ... + 17629.

It is an arithmetic number, because the mean of its divisors is an integer number (368865).

22283385 is an apocalyptic number.

2283385 is the 1069-th centered square number.

It is an amenable number.

2283385 is a deficient number, since it is larger than the sum of its proper divisors (667535).

2283385 is a wasteful number, since it uses less digits than its factorization.

2283385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35147.

The product of its digits is 11520, while the sum is 31.

The square root of 2283385 is about 1511.0873568394. The cubic root of 2283385 is about 131.6819900626.

The spelling of 2283385 in words is "two million, two hundred eighty-three thousand, three hundred eighty-five".

Divisors: 1 5 13 65 35129 175645 456677 2283385