Base | Representation |
---|---|
bin | 1100111000011… |
… | …1010110111110 |
3 | 10202200002201000 |
4 | 3032013112332 |
5 | 102313004211 |
6 | 5210031130 |
7 | 1224156063 |
oct | 316072676 |
9 | 122602630 |
10 | 54031806 |
11 | 28554994 |
12 | 161184a6 |
13 | b26a5aa |
14 | 7266c6a |
15 | 4b24656 |
hex | 33875be |
54031806 has 16 divisors (see below), whose sum is σ = 120070800. Its totient is φ = 18010584.
The previous prime is 54031777. The next prime is 54031819. The reversal of 54031806 is 60813045.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 54031806.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500241 + ... + 500348.
It is an arithmetic number, because the mean of its divisors is an integer number (7504425).
Almost surely, 254031806 is an apocalyptic number.
54031806 is an abundant number, since it is smaller than the sum of its proper divisors (66038994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54031806 is a wasteful number, since it uses less digits than its factorization.
54031806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1000600 (or 1000594 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 54031806 is about 7350.6330339638. The cubic root of 54031806 is about 378.0505097533.
The spelling of 54031806 in words is "fifty-four million, thirty-one thousand, eight hundred six".
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