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869313 = 3289771
BaseRepresentation
bin11010100001111000001
31122011110210
43110033001
5210304223
630344333
710250304
oct3241701
91564423
10869313
11544145
1235b0a9
132458b3
14188b3b
15122893
hexd43c1

869313 has 4 divisors (see below), whose sum is σ = 1159088. Its totient is φ = 579540.

The previous prime is 869303. The next prime is 869317. The reversal of 869313 is 313968.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 869313 - 26 = 869249 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869317) 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, 144883 + ... + 144888.

It is an arithmetic number, because the mean of its divisors is an integer number (289772).

2869313 is an apocalyptic number.

It is an amenable number.

869313 is a deficient number, since it is larger than the sum of its proper divisors (289775).

869313 is a wasteful number, since it uses less digits than its factorization.

869313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289774.

The product of its digits is 3888, while the sum is 30.

The square root of 869313 is about 932.3695619227. The cubic root of 869313 is about 95.4388925890.

The spelling of 869313 in words is "eight hundred sixty-nine thousand, three hundred thirteen".

Divisors: 1 3 289771 869313