Base | Representation |
---|---|
bin | 1100111000010… |
… | …1001010110111 |
3 | 10202122122101220 |
4 | 3032011022313 |
5 | 102312212324 |
6 | 5205521423 |
7 | 1224120663 |
oct | 316051267 |
9 | 122578356 |
10 | 54022839 |
11 | 28549182 |
12 | 16113273 |
13 | b2664a0 |
14 | 72638a3 |
15 | 4b21b79 |
hex | 33852b7 |
54022839 has 16 divisors (see below), whose sum is σ = 77728224. Its totient is φ = 33177600.
The previous prime is 54022831. The next prime is 54022867. The reversal of 54022839 is 93822045.
It is a happy number.
It is not a de Polignac number, because 54022839 - 23 = 54022831 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54022831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23919 + ... + 26079.
It is an arithmetic number, because the mean of its divisors is an integer number (4858014).
Almost surely, 254022839 is an apocalyptic number.
54022839 is a deficient number, since it is larger than the sum of its proper divisors (23705385).
54022839 is a wasteful number, since it uses less digits than its factorization.
54022839 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2818.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 54022839 is about 7350.0230611883. The cubic root of 54022839 is about 378.0295951185.
The spelling of 54022839 in words is "fifty-four million, twenty-two thousand, eight hundred thirty-nine".
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