Base | Representation |
---|---|
bin | 1100111100010… |
… | …0111010000001 |
3 | 10210010220112000 |
4 | 3033010322001 |
5 | 102344041110 |
6 | 5215254213 |
7 | 1226256054 |
oct | 317047201 |
9 | 123126460 |
10 | 54283905 |
11 | 28707335 |
12 | 1621a369 |
13 | b328270 |
14 | 72d0a9b |
15 | 4b741c0 |
hex | 33c4e81 |
54283905 has 32 divisors (see below), whose sum is σ = 103931520. Its totient is φ = 26723520.
The previous prime is 54283871. The next prime is 54283913. The reversal of 54283905 is 50938245.
It is not a de Polignac number, because 54283905 - 27 = 54283777 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 54283905.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13711 + ... + 17220.
It is an arithmetic number, because the mean of its divisors is an integer number (3247860).
Almost surely, 254283905 is an apocalyptic number.
It is an amenable number.
54283905 is a deficient number, since it is larger than the sum of its proper divisors (49647615).
54283905 is a wasteful number, since it uses less digits than its factorization.
54283905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30958 (or 30952 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The square root of 54283905 is about 7367.7611931984. The cubic root of 54283905 is about 378.6375609772.
The spelling of 54283905 in words is "fifty-four million, two hundred eighty-three thousand, nine hundred five".
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