Base | Representation |
---|---|
bin | 1100111100011… |
… | …0011001101100 |
3 | 10210011012220210 |
4 | 3033012121230 |
5 | 102344240103 |
6 | 5215342420 |
7 | 1226312652 |
oct | 317063154 |
9 | 123135823 |
10 | 54290028 |
11 | 287109a1 |
12 | 16221a10 |
13 | b32aca0 |
14 | 72d2dd2 |
15 | 4b75e03 |
hex | 33c666c |
54290028 has 48 divisors (see below), whose sum is σ = 142361856. Its totient is φ = 15977280.
The previous prime is 54290023. The next prime is 54290039. The reversal of 54290028 is 82009245.
It is a junction number, because it is equal to n+sod(n) for n = 54289977 and 54290004.
It is not an unprimeable number, because it can be changed into a prime (54290023) 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, 3978 + ... + 11153.
It is an arithmetic number, because the mean of its divisors is an integer number (2965872).
Almost surely, 254290028 is an apocalyptic number.
It is an amenable number.
54290028 is an abundant number, since it is smaller than the sum of its proper divisors (88071828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54290028 is a wasteful number, since it uses less digits than its factorization.
54290028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15174 (or 15172 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 54290028 is about 7368.1767079787. The cubic root of 54290028 is about 378.6517966923.
The spelling of 54290028 in words is "fifty-four million, two hundred ninety thousand, twenty-eight".
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