Base | Representation |
---|---|
bin | 1101000111000… |
… | …0101100001010 |
3 | 10211110122201012 |
4 | 3101300230022 |
5 | 103034100110 |
6 | 5242323522 |
7 | 1235246333 |
oct | 321605412 |
9 | 124418635 |
10 | 54987530 |
11 | 29047a44 |
12 | 164b95a2 |
13 | b513600 |
14 | 743528a |
15 | 4c62905 |
hex | 3470b0a |
54987530 has 24 divisors (see below), whose sum is σ = 107180172. Its totient is φ = 20302464.
The previous prime is 54987529. The next prime is 54987533. The reversal of 54987530 is 3578945.
It can be written as a sum of positive squares in 6 ways, for example, as 94249 + 54893281 = 307^2 + 7409^2 .
It is not an unprimeable number, because it can be changed into a prime (54987533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14579 + ... + 17958.
Almost surely, 254987530 is an apocalyptic number.
54987530 is a deficient number, since it is larger than the sum of its proper divisors (52192642).
54987530 is a wasteful number, since it uses less digits than its factorization.
54987530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32570 (or 32557 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 54987530 is about 7415.3577122078. The cubic root of 54987530 is about 380.2665028024.
The spelling of 54987530 in words is "fifty-four million, nine hundred eighty-seven thousand, five hundred thirty".
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