Search a number
-
+
825070805 = 51326994703
BaseRepresentation
bin110001001011011…
…001010011010101
32010111111221100222
4301023121103111
53142204231210
6213512044125
726305662146
oct6113312325
92114457328
10825070805
113938049a9
121b0393645
13101c203a0
147b813acd
154c67a655
hex312d94d5

825070805 has 16 divisors (see below), whose sum is σ = 1066867200. Its totient is φ = 608927808.

The previous prime is 825070723. The next prime is 825070819. The reversal of 825070805 is 508070528.

825070805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 825070805 - 212 = 825066709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173084 + ... + 177786.

It is an arithmetic number, because the mean of its divisors is an integer number (66679200).

Almost surely, 2825070805 is an apocalyptic number.

It is an amenable number.

825070805 is a deficient number, since it is larger than the sum of its proper divisors (241796395).

825070805 is a wasteful number, since it uses less digits than its factorization.

825070805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 825070805 is about 28724.0457630885. The cubic root of 825070805 is about 937.9155581124.

The spelling of 825070805 in words is "eight hundred twenty-five million, seventy thousand, eight hundred five".

Divisors: 1 5 13 65 2699 4703 13495 23515 35087 61139 175435 305695 12693397 63466985 165014161 825070805