Base | Representation |
---|---|
bin | 1100111000001… |
… | …1010011111001 |
3 | 10202122020221220 |
4 | 3032003103321 |
5 | 102311441400 |
6 | 5205422253 |
7 | 1224056535 |
oct | 316032371 |
9 | 122566856 |
10 | 54015225 |
11 | 28543490 |
12 | 1610a989 |
13 | b262b94 |
14 | 7260bc5 |
15 | 4b1e7a0 |
hex | 33834f9 |
54015225 has 48 divisors (see below), whose sum is σ = 98190144. Its totient is φ = 25984000.
The previous prime is 54015217. The next prime is 54015229. The reversal of 54015225 is 52251045.
It is a happy number.
It is not a de Polignac number, because 54015225 - 23 = 54015217 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54015195 and 54015204.
It is not an unprimeable number, because it can be changed into a prime (54015229) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192085 + ... + 192365.
It is an arithmetic number, because the mean of its divisors is an integer number (2045628).
Almost surely, 254015225 is an apocalyptic number.
54015225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
54015225 is a deficient number, since it is larger than the sum of its proper divisors (44174919).
54015225 is a wasteful number, since it uses less digits than its factorization.
54015225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538 (or 533 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 24.
The square root of 54015225 is about 7349.5050853782. The cubic root of 54015225 is about 378.0118344045.
The spelling of 54015225 in words is "fifty-four million, fifteen thousand, two hundred twenty-five".
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