Base | Representation |
---|---|
bin | 100110101110… |
… | …0010100111101 |
3 | 1102012101220020 |
4 | 1031130110331 |
5 | 20144113432 |
6 | 2003042353 |
7 | 334361634 |
oct | 115342475 |
9 | 42171806 |
10 | 20301117 |
11 | 10506591 |
12 | 69703b9 |
13 | 428a4c5 |
14 | 29a651b |
15 | 1bb022c |
hex | 135c53d |
20301117 has 16 divisors (see below), whose sum is σ = 27855168. Its totient is φ = 13144320.
The previous prime is 20301107. The next prime is 20301119. The reversal of 20301117 is 71110302.
It is not a de Polignac number, because 20301117 - 216 = 20235581 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20301096 and 20301105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20301119) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30763 + ... + 31415.
It is an arithmetic number, because the mean of its divisors is an integer number (1740948).
Almost surely, 220301117 is an apocalyptic number.
It is an amenable number.
20301117 is a deficient number, since it is larger than the sum of its proper divisors (7554051).
20301117 is a wasteful number, since it uses less digits than its factorization.
20301117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 940.
The product of its (nonzero) digits is 42, while the sum is 15.
The square root of 20301117 is about 4505.6760868931. The cubic root of 20301117 is about 272.7972437537.
Adding to 20301117 its reverse (71110302), we get a palindrome (91411419).
The spelling of 20301117 in words is "twenty million, three hundred one thousand, one hundred seventeen".
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