Search a number
-
+
806573438 = 211311182659
BaseRepresentation
bin110000000100110…
…101010101111110
32002012201011202022
4300010311111332
53122440322223
6212011400142
725662522026
oct6004652576
92065634668
10806573438
11384320620
121a6153052
13cb144bb8
147919aa86
154ac24ac8
hex3013557e

806573438 has 16 divisors (see below), whose sum is σ = 1362424320. Its totient is φ = 354797400.

The previous prime is 806573431. The next prime is 806573459. The reversal of 806573438 is 834375608.

806573438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806573431) 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, 590648 + ... + 592011.

It is an arithmetic number, because the mean of its divisors is an integer number (85151520).

Almost surely, 2806573438 is an apocalyptic number.

806573438 is a deficient number, since it is larger than the sum of its proper divisors (555850882).

806573438 is a wasteful number, since it uses less digits than its factorization.

806573438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182703.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 806573438 is about 28400.2365835216. The cubic root of 806573438 is about 930.8534340320.

The spelling of 806573438 in words is "eight hundred six million, five hundred seventy-three thousand, four hundred thirty-eight".

Divisors: 1 2 11 22 31 62 341 682 1182659 2365318 13009249 26018498 36662429 73324858 403286719 806573438