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2317289 = 13397449
BaseRepresentation
bin1000110101101111101001
311100201201112
420311233221
51043123124
6121400105
725460642
oct10655751
94321645
102317289
111343017
12939035
136319a0
144446c9
1530b90e
hex235be9

2317289 has 8 divisors (see below), whose sum is σ = 2507400. Its totient is φ = 2128896.

The previous prime is 2317283. The next prime is 2317327. The reversal of 2317289 is 9827132.

It can be written as a sum of positive squares in 4 ways, for example, as 258064 + 2059225 = 508^2 + 1435^2 .

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 2317289 - 220 = 1268713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2317283) by changing a digit.

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, 4937 + ... + 5385.

It is an arithmetic number, because the mean of its divisors is an integer number (313425).

22317289 is an apocalyptic number.

It is an amenable number.

2317289 is a deficient number, since it is larger than the sum of its proper divisors (190111).

2317289 is a wasteful number, since it uses less digits than its factorization.

2317289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859.

The product of its digits is 6048, while the sum is 32.

The square root of 2317289 is about 1522.2644316938. The cubic root of 2317289 is about 132.3305345056.

The spelling of 2317289 in words is "two million, three hundred seventeen thousand, two hundred eighty-nine".

Divisors: 1 13 397 449 5161 5837 178253 2317289