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2287117 = 7397823
BaseRepresentation
bin1000101110011000001101
311022012100001
420232120031
51041141432
6121004301
725303660
oct10563015
94265301
102287117
111322388
12923691
13621031
144376d7
153029e7
hex22e60d

2287117 has 8 divisors (see below), whose sum is σ = 2623616. Its totient is φ = 1953072.

The previous prime is 2287111. The next prime is 2287121. The reversal of 2287117 is 7117822.

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 2287117 - 27 = 2286989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368 + ... + 3190.

It is an arithmetic number, because the mean of its divisors is an integer number (327952).

22287117 is an apocalyptic number.

It is an amenable number.

2287117 is a deficient number, since it is larger than the sum of its proper divisors (336499).

2287117 is an equidigital number, since it uses as much as digits as its factorization.

2287117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227.

The product of its digits is 1568, while the sum is 28.

The square root of 2287117 is about 1512.3217250308. The cubic root of 2287117 is about 131.7536920449.

The spelling of 2287117 in words is "two million, two hundred eighty-seven thousand, one hundred seventeen".

Divisors: 1 7 397 823 2779 5761 326731 2287117