Base | Representation |
---|---|
bin | 1100111001101… |
… | …1101100110000 |
3 | 10202211022222201 |
4 | 3032123230300 |
5 | 102323140440 |
6 | 5211512544 |
7 | 1224654013 |
oct | 316335460 |
9 | 122738881 |
10 | 54115120 |
11 | 28601544 |
12 | 16158754 |
13 | b2994a7 |
14 | 728937a |
15 | 4b3e19a |
hex | 339bb30 |
54115120 has 40 divisors (see below), whose sum is σ = 128201616. Its totient is φ = 21235968.
The previous prime is 54115111. The next prime is 54115129. The reversal of 54115120 is 2151145.
It is an interprime number because it is at equal distance from previous prime (54115111) and next prime (54115129).
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×541151202 = 5856892425228800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (54115129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2142 + ... + 10621.
Almost surely, 254115120 is an apocalyptic number.
It is an amenable number.
54115120 is an abundant number, since it is smaller than the sum of its proper divisors (74086496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54115120 is a wasteful number, since it uses less digits than its factorization.
54115120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12829 (or 12823 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 54115120 is about 7356.2979820015. The cubic root of 54115120 is about 378.2447208272.
Adding to 54115120 its reverse (2151145), we get a palindrome (56266265).
The spelling of 54115120 in words is "fifty-four million, one hundred fifteen thousand, one hundred twenty".
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