Base | Representation |
---|---|
bin | 101111111100010… |
… | …101010001100011 |
3 | 2002001111221211000 |
4 | 233330111101203 |
5 | 3121403014211 |
6 | 211451523043 |
7 | 25634550645 |
oct | 5774252143 |
9 | 2061457730 |
10 | 804344931 |
11 | 383039285 |
12 | 1a5459483 |
13 | ca844760 |
14 | 78b7a895 |
15 | 4a934656 |
hex | 2ff15463 |
804344931 has 16 divisors (see below), whose sum is σ = 1283285920. Its totient is φ = 494981280.
The previous prime is 804344927. The next prime is 804344951. The reversal of 804344931 is 139443408.
It is not a de Polignac number, because 804344931 - 22 = 804344927 is a prime.
It is a super-2 number, since 2×8043449312 = 1293941536050789522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (804344951) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 1145440 + ... + 1146141.
It is an arithmetic number, because the mean of its divisors is an integer number (80205370).
Almost surely, 2804344931 is an apocalyptic number.
804344931 is a deficient number, since it is larger than the sum of its proper divisors (478940989).
804344931 is a wasteful number, since it uses less digits than its factorization.
804344931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2291603 (or 2291597 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 804344931 is about 28360.9754945065. The cubic root of 804344931 is about 929.9953485719.
The spelling of 804344931 in words is "eight hundred four million, three hundred forty-four thousand, nine hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •