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859108025 = 52109315269
BaseRepresentation
bin110011001101001…
…111001010111001
32012212120012122202
4303031033022321
53224412424100
6221125355545
730201204056
oct6315171271
92185505582
10859108025
11400a42636
121bb868bb5
13108ca9b59
148215402d
15506507d5
hex3334f2b9

859108025 has 12 divisors (see below), whose sum is σ = 1075070700. Its totient is φ = 680978880.

The previous prime is 859108013. The next prime is 859108043. The reversal of 859108025 is 520801958.

It can be written as a sum of positive squares in 6 ways, for example, as 19035769 + 840072256 = 4363^2 + 28984^2 .

It is not a de Polignac number, because 859108025 - 210 = 859107001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 859108025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154910 + ... + 160359.

It is an arithmetic number, because the mean of its divisors is an integer number (89589225).

Almost surely, 2859108025 is an apocalyptic number.

It is an amenable number.

859108025 is a deficient number, since it is larger than the sum of its proper divisors (215962675).

859108025 is a wasteful number, since it uses less digits than its factorization.

859108025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315388 (or 315383 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 859108025 is about 29310.5446042887. The cubic root of 859108025 is about 950.6396523163.

The spelling of 859108025 in words is "eight hundred fifty-nine million, one hundred eight thousand, twenty-five".

Divisors: 1 5 25 109 545 2725 315269 1576345 7881725 34364321 171821605 859108025