Base | Representation |
---|---|
bin | 1100111101111… |
… | …0100111101001 |
3 | 10210100020222202 |
4 | 3033132213221 |
5 | 102410423400 |
6 | 5221425545 |
7 | 1230205112 |
oct | 317364751 |
9 | 123306882 |
10 | 54389225 |
11 | 28779480 |
12 | 1626b2b5 |
13 | b364197 |
14 | 731b209 |
15 | 4b954d5 |
hex | 33de9e9 |
54389225 has 12 divisors (see below), whose sum is σ = 73574160. Its totient is φ = 39555600.
The previous prime is 54389219. The next prime is 54389243. The reversal of 54389225 is 52298345.
It is not a de Polignac number, because 54389225 - 214 = 54372841 is a prime.
It is a super-2 number, since 2×543892252 = 5916375592201250, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98615 + ... + 99164.
It is an arithmetic number, because the mean of its divisors is an integer number (6131180).
Almost surely, 254389225 is an apocalyptic number.
54389225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
54389225 is a deficient number, since it is larger than the sum of its proper divisors (19184935).
54389225 is a wasteful number, since it uses less digits than its factorization.
54389225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197800 (or 197795 counting only the distinct ones).
The product of its digits is 86400, while the sum is 38.
The square root of 54389225 is about 7374.9050841350. The cubic root of 54389225 is about 378.8822765184.
The spelling of 54389225 in words is "fifty-four million, three hundred eighty-nine thousand, two hundred twenty-five".
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