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2268665 = 57531223
BaseRepresentation
bin1000101001110111111001
311021021000122
420221313321
51040044130
6120343025
725166120
oct10516771
94237018
102268665
11130a533
12914a75
13615809
14430ab7
152ec2e5
hex229df9

2268665 has 16 divisors (see below), whose sum is σ = 3172608. Its totient is φ = 1525056.

The previous prime is 2268659. The next prime is 2268671. The reversal of 2268665 is 5668622.

It is an interprime number because it is at equal distance from previous prime (2268659) and next prime (2268671).

It is a cyclic number.

It is not a de Polignac number, because 2268665 - 24 = 2268649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a d-powerful number, because it can be written as 25 + 221 + 62 + 8 + 66 + 66 + 57 .

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 1244 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (198288).

22268665 is an apocalyptic number.

It is an amenable number.

2268665 is a deficient number, since it is larger than the sum of its proper divisors (903943).

2268665 is a wasteful number, since it uses less digits than its factorization.

2268665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288.

The product of its digits is 34560, while the sum is 35.

The square root of 2268665 is about 1506.2088168644. The cubic root of 2268665 is about 131.3984141245.

The spelling of 2268665 in words is "two million, two hundred sixty-eight thousand, six hundred sixty-five".

Divisors: 1 5 7 35 53 265 371 1223 1855 6115 8561 42805 64819 324095 453733 2268665