Base | Representation |
---|---|
bin | 1101000101010… |
… | …0011011110101 |
3 | 10211020202221210 |
4 | 3101110123311 |
5 | 103021344142 |
6 | 5240032033 |
7 | 1234255041 |
oct | 321243365 |
9 | 124222853 |
10 | 54871797 |
11 | 28a78aa2 |
12 | 16462619 |
13 | b4a2a26 |
14 | 7405021 |
15 | 4c3d49c |
hex | 34546f5 |
54871797 has 8 divisors (see below), whose sum is σ = 73198944. Its totient is φ = 36562928.
The previous prime is 54871769. The next prime is 54871807. The reversal of 54871797 is 79717845.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54871797 - 28 = 54871541 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54871897) 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, 5803 + ... + 11975.
It is an arithmetic number, because the mean of its divisors is an integer number (9149868).
Almost surely, 254871797 is an apocalyptic number.
It is an amenable number.
54871797 is a deficient number, since it is larger than the sum of its proper divisors (18327147).
54871797 is a wasteful number, since it uses less digits than its factorization.
54871797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9139.
The product of its digits is 493920, while the sum is 48.
The square root of 54871797 is about 7407.5499998313. The cubic root of 54871797 is about 379.9995313937. Note that the first 3 decimals are identical.
The spelling of 54871797 in words is "fifty-four million, eight hundred seventy-one thousand, seven hundred ninety-seven".
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