Base | Representation |
---|---|
bin | 1100111011010… |
… | …0010111011011 |
3 | 10210000110120202 |
4 | 3032310113123 |
5 | 102334404110 |
6 | 5214012415 |
7 | 1225554410 |
oct | 316642733 |
9 | 123013522 |
10 | 54216155 |
11 | 28670444 |
12 | 161a710b |
13 | b303486 |
14 | 72b4107 |
15 | 4b5e0a5 |
hex | 33b45db |
54216155 has 8 divisors (see below), whose sum is σ = 74353632. Its totient is φ = 37176768.
The previous prime is 54216119. The next prime is 54216187. The reversal of 54216155 is 55161245.
It is a happy number.
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 54216155 - 216 = 54150619 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774482 + ... + 774551.
It is an arithmetic number, because the mean of its divisors is an integer number (9294204).
Almost surely, 254216155 is an apocalyptic number.
54216155 is a deficient number, since it is larger than the sum of its proper divisors (20137477).
54216155 is a wasteful number, since it uses less digits than its factorization.
54216155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1549045.
The product of its digits is 6000, while the sum is 29.
The square root of 54216155 is about 7363.1620245653. The cubic root of 54216155 is about 378.4799736023.
The spelling of 54216155 in words is "fifty-four million, two hundred sixteen thousand, one hundred fifty-five".
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