Base | Representation |
---|---|
bin | 1100111000000… |
… | …1100001101101 |
3 | 10202121212221020 |
4 | 3032001201231 |
5 | 102311223132 |
6 | 5205324353 |
7 | 1224026325 |
oct | 316014155 |
9 | 122555836 |
10 | 54007917 |
11 | 28538a47 |
12 | 161066b9 |
13 | b25c762 |
14 | 725c285 |
15 | 4b1c52c |
hex | 338186d |
54007917 has 8 divisors (see below), whose sum is σ = 72088896. Its totient is φ = 35966112.
The previous prime is 54007913. The next prime is 54007939. The reversal of 54007917 is 71970045.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54007917 - 22 = 54007913 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54007913) 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, 6408 + ... + 12209.
It is an arithmetic number, because the mean of its divisors is an integer number (9011112).
Almost surely, 254007917 is an apocalyptic number.
It is an amenable number.
54007917 is a deficient number, since it is larger than the sum of its proper divisors (18080979).
54007917 is a wasteful number, since it uses less digits than its factorization.
54007917 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19587.
The product of its (nonzero) digits is 8820, while the sum is 33.
The square root of 54007917 is about 7349.0078922260. The cubic root of 54007917 is about 377.9947859083.
The spelling of 54007917 in words is "fifty-four million, seven thousand, nine hundred seventeen".
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