Base | Representation |
---|---|
bin | 11001000010011… |
… | …000010001100011 |
3 | 1002021101221220211 |
4 | 121002120101203 |
5 | 1330013212430 |
6 | 105403114551 |
7 | 13260254365 |
oct | 3102302143 |
9 | 1067357824 |
10 | 420054115 |
11 | 1a6122968 |
12 | b8812a57 |
13 | 69043540 |
14 | 3db04d35 |
15 | 26d2572a |
hex | 19098463 |
420054115 has 16 divisors (see below), whose sum is σ = 544406688. Its totient is φ = 309298176.
The previous prime is 420054091. The next prime is 420054133. The reversal of 420054115 is 511450024.
It is a cyclic number.
It is not a de Polignac number, because 420054115 - 211 = 420052067 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 13792 + ... + 32098.
It is an arithmetic number, because the mean of its divisors is an integer number (34025418).
Almost surely, 2420054115 is an apocalyptic number.
420054115 is a deficient number, since it is larger than the sum of its proper divisors (124352573).
420054115 is a wasteful number, since it uses less digits than its factorization.
420054115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18678.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 420054115 is about 20495.2217602055. The cubic root of 420054115 is about 748.9194008588.
The spelling of 420054115 in words is "four hundred twenty million, fifty-four thousand, one hundred fifteen".
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