Base | Representation |
---|---|
bin | 1100111100010… |
… | …0010000001001 |
3 | 10210010202211202 |
4 | 3033010100021 |
5 | 102343444400 |
6 | 5215233545 |
7 | 1226245205 |
oct | 317042011 |
9 | 123122752 |
10 | 54281225 |
11 | 28705319 |
12 | 162188b5 |
13 | b326c8b |
14 | 72cdb05 |
15 | 4b734d5 |
hex | 33c4409 |
54281225 has 6 divisors (see below), whose sum is σ = 67308750. Its totient is φ = 43424960.
The previous prime is 54281209. The next prime is 54281231. The reversal of 54281225 is 52218245.
It can be written as a sum of positive squares in 3 ways, for example, as 12187081 + 42094144 = 3491^2 + 6488^2 .
It is not a de Polignac number, because 54281225 - 24 = 54281209 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1085600 + ... + 1085649.
It is an arithmetic number, because the mean of its divisors is an integer number (11218125).
Almost surely, 254281225 is an apocalyptic number.
It is an amenable number.
54281225 is a deficient number, since it is larger than the sum of its proper divisors (13027525).
54281225 is a wasteful number, since it uses less digits than its factorization.
54281225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2171259 (or 2171254 counting only the distinct ones).
The product of its digits is 6400, while the sum is 29.
The square root of 54281225 is about 7367.5793175235. The cubic root of 54281225 is about 378.6313297541.
The spelling of 54281225 in words is "fifty-four million, two hundred eighty-one thousand, two hundred twenty-five".
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