Base | Representation |
---|---|
bin | 1100111111101… |
… | …0111111101010 |
3 | 10210120011102101 |
4 | 3033322333222 |
5 | 102423133300 |
6 | 5224124014 |
7 | 1231201006 |
oct | 317727752 |
9 | 123504371 |
10 | 54505450 |
11 | 2884882a |
12 | 1630660a |
13 | b3a505c |
14 | 734b706 |
15 | 4bb9b6a |
hex | 33fafea |
54505450 has 48 divisors (see below), whose sum is σ = 104468760. Its totient is φ = 21150720.
The previous prime is 54505447. The next prime is 54505453. The reversal of 54505450 is 5450545.
It is an interprime number because it is at equal distance from previous prime (54505447) and next prime (54505453).
It can be written as a sum of positive squares in 12 ways, for example, as 9467929 + 45037521 = 3077^2 + 6711^2 .
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (54505453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397782 + ... + 397918.
Almost surely, 254505450 is an apocalyptic number.
54505450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
54505450 is a deficient number, since it is larger than the sum of its proper divisors (49963310).
54505450 is a wasteful number, since it uses less digits than its factorization.
54505450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331 (or 326 counting only the distinct ones).
The product of its (nonzero) digits is 10000, while the sum is 28.
The square root of 54505450 is about 7382.7806414657. The cubic root of 54505450 is about 379.1519639001.
Adding to 54505450 its reverse (5450545), we get a palindrome (59955995).
The spelling of 54505450 in words is "fifty-four million, five hundred five thousand, four hundred fifty".
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