Base | Representation |
---|---|
bin | 11010010000010… |
… | …01000100011001 |
3 | 120100102020212212 |
4 | 31020021010121 |
5 | 422340104410 |
6 | 33504244505 |
7 | 5312664413 |
oct | 1510110431 |
9 | 510366785 |
10 | 220238105 |
11 | 10335616a |
12 | 61910735 |
13 | 36821c09 |
14 | 2136d9b3 |
15 | 14505b05 |
hex | d209119 |
220238105 has 8 divisors (see below), whose sum is σ = 272811264. Its totient is φ = 170506800.
The previous prime is 220238059. The next prime is 220238113. The reversal of 220238105 is 501832022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220238105 - 216 = 220172569 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, 710291 + ... + 710600.
It is an arithmetic number, because the mean of its divisors is an integer number (34101408).
Almost surely, 2220238105 is an apocalyptic number.
It is an amenable number.
220238105 is a deficient number, since it is larger than the sum of its proper divisors (52573159).
220238105 is a wasteful number, since it uses less digits than its factorization.
220238105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1420927.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 220238105 is about 14840.4213215124. The cubic root of 220238105 is about 603.8987822510.
The spelling of 220238105 in words is "two hundred twenty million, two hundred thirty-eight thousand, one hundred five".
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