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827004401 = 4211964381
BaseRepresentation
bin110001010010110…
…001010111110001
32010122011011202122
4301102301113301
53143203120101
6214021324025
726331264356
oct6122612761
92118134678
10827004401
11394905713
121b0b66615
13102449522
147bb9862d
154c90d51b
hex314b15f1

827004401 has 4 divisors (see below), whose sum is σ = 828969204. Its totient is φ = 825039600.

The previous prime is 827004359. The next prime is 827004413. The reversal of 827004401 is 104400728.

827004401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6754801 + 820249600 = 2599^2 + 28640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-827004401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827004301) 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, 981770 + ... + 982611.

It is an arithmetic number, because the mean of its divisors is an integer number (207242301).

Almost surely, 2827004401 is an apocalyptic number.

It is an amenable number.

827004401 is a deficient number, since it is larger than the sum of its proper divisors (1964803).

827004401 is a wasteful number, since it uses less digits than its factorization.

827004401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964802.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 827004401 is about 28757.6842078774. The cubic root of 827004401 is about 938.6476709955.

The spelling of 827004401 in words is "eight hundred twenty-seven million, four thousand, four hundred one".

Divisors: 1 421 1964381 827004401