Base | Representation |
---|---|
bin | 1100111001110… |
… | …1000110100101 |
3 | 10202211121212122 |
4 | 3032131012211 |
5 | 102323331434 |
6 | 5211555325 |
7 | 1225006535 |
oct | 316350645 |
9 | 122747778 |
10 | 54120869 |
11 | 286058a0 |
12 | 1615bb45 |
13 | b29bcaa |
14 | 728b4c5 |
15 | 4b40c2e |
hex | 339d1a5 |
54120869 has 8 divisors (see below), whose sum is σ = 59150208. Its totient is φ = 49109760.
The previous prime is 54120853. The next prime is 54120887. The reversal of 54120869 is 96802145.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54120869 - 24 = 54120853 is a prime.
It is a super-2 number, since 2×541208692 = 5858136922630322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54120839) 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, 2084 + ... + 10610.
It is an arithmetic number, because the mean of its divisors is an integer number (7393776).
Almost surely, 254120869 is an apocalyptic number.
It is an amenable number.
54120869 is a deficient number, since it is larger than the sum of its proper divisors (5029339).
54120869 is a wasteful number, since it uses less digits than its factorization.
54120869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9115.
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 54120869 is about 7356.6887252350. The cubic root of 54120869 is about 378.2581148158.
The spelling of 54120869 in words is "fifty-four million, one hundred twenty thousand, eight hundred sixty-nine".
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