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860289097 = 1759818461
BaseRepresentation
bin110011010001101…
…111100001001001
32012221210012210011
4303101233201021
53230213222342
6221210551521
730214223323
oct6321574111
92187705704
10860289097
11401679a28
122001385a1
13109301605
1482380613
15507d5717
hex3346f849

860289097 has 8 divisors (see below), whose sum is σ = 911154312. Its totient is φ = 809452800.

The previous prime is 860289083. The next prime is 860289103. The reversal of 860289097 is 790982068.

It is a happy number.

860289097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 139688761 + 720600336 = 11819^2 + 26844^2 .

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 860289097 - 27 = 860288969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 860289097.

It is not an unprimeable number, because it can be changed into a prime (860289007) 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, 97447 + ... + 105907.

It is an arithmetic number, because the mean of its divisors is an integer number (113894289).

Almost surely, 2860289097 is an apocalyptic number.

It is an amenable number.

860289097 is a deficient number, since it is larger than the sum of its proper divisors (50865215).

860289097 is a wasteful number, since it uses less digits than its factorization.

860289097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14459.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 860289097 is about 29330.6852460013. The cubic root of 860289097 is about 951.0750883416.

The spelling of 860289097 in words is "eight hundred sixty million, two hundred eighty-nine thousand, ninety-seven".

Divisors: 1 17 5981 8461 101677 143837 50605241 860289097