Base | Representation |
---|---|
bin | 10001010000001… |
… | …111101110001101 |
3 | 202011200200001222 |
4 | 101100033232031 |
5 | 1043101040443 |
6 | 44420213125 |
7 | 10113315602 |
oct | 2120175615 |
9 | 664620058 |
10 | 289471373 |
11 | 139443144 |
12 | 80b3a1a5 |
13 | 47c82749 |
14 | 2a6326a9 |
15 | 1a62e468 |
hex | 1140fb8d |
289471373 has 4 divisors (see below), whose sum is σ = 289509660. Its totient is φ = 289433088.
The previous prime is 289471363. The next prime is 289471411. The reversal of 289471373 is 373174982.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 145998889 + 143472484 = 12083^2 + 11978^2 .
It is a cyclic number.
It is not a de Polignac number, because 289471373 - 214 = 289454989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289471333) 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, 3590 + ... + 24327.
It is an arithmetic number, because the mean of its divisors is an integer number (72377415).
Almost surely, 2289471373 is an apocalyptic number.
It is an amenable number.
289471373 is a deficient number, since it is larger than the sum of its proper divisors (38287).
289471373 is a wasteful number, since it uses less digits than its factorization.
289471373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38286.
The product of its digits is 254016, while the sum is 44.
The square root of 289471373 is about 17013.8582631924. The cubic root of 289471373 is about 661.5081618887.
The spelling of 289471373 in words is "two hundred eighty-nine million, four hundred seventy-one thousand, three hundred seventy-three".
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