Base | Representation |
---|---|
bin | 1101000011101… |
… | …1010011011101 |
3 | 10211001112202100 |
4 | 3100323103131 |
5 | 103010100421 |
6 | 5233515313 |
7 | 1233345660 |
oct | 320732335 |
9 | 124045670 |
10 | 54768861 |
11 | 28a08724 |
12 | 16412b39 |
13 | b467c14 |
14 | 73b96d7 |
15 | 4c1cc26 |
hex | 343b4dd |
54768861 has 24 divisors (see below), whose sum is σ = 90627264. Its totient is φ = 31222080.
The previous prime is 54768853. The next prime is 54768863. The reversal of 54768861 is 16886745.
It is a happy number.
It is not a de Polignac number, because 54768861 - 23 = 54768853 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54768863) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36241 + ... + 37721.
It is an arithmetic number, because the mean of its divisors is an integer number (3776136).
Almost surely, 254768861 is an apocalyptic number.
It is an amenable number.
54768861 is a deficient number, since it is larger than the sum of its proper divisors (35858403).
54768861 is a wasteful number, since it uses less digits than its factorization.
54768861 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2081 (or 2078 counting only the distinct ones).
The product of its digits is 322560, while the sum is 45.
The square root of 54768861 is about 7400.5986919978. The cubic root of 54768861 is about 379.7617643385.
The spelling of 54768861 in words is "fifty-four million, seven hundred sixty-eight thousand, eight hundred sixty-one".
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