Base | Representation |
---|---|
bin | 111101101001100010011 |
3 | 10210122002002 |
4 | 13231030103 |
5 | 1004120430 |
6 | 111144215 |
7 | 23112356 |
oct | 7551423 |
9 | 3718062 |
10 | 2020115 |
11 | 115a819 |
12 | 81506b |
13 | 559646 |
14 | 3a829d |
15 | 29d845 |
hex | 1ed313 |
2020115 has 8 divisors (see below), whose sum is σ = 2502528. Its totient is φ = 1563840.
The previous prime is 2020091. The next prime is 2020147. The reversal of 2020115 is 5110202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2020115 - 28 = 2019859 is a prime.
It is a super-2 number, since 2×20201152 = 8161729226450, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2020096 and 2020105.
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, 6362 + ... + 6671.
It is an arithmetic number, because the mean of its divisors is an integer number (312816).
22020115 is an apocalyptic number.
2020115 is a deficient number, since it is larger than the sum of its proper divisors (482413).
2020115 is a wasteful number, since it uses less digits than its factorization.
2020115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13069.
The product of its (nonzero) digits is 20, while the sum is 11.
The square root of 2020115 is about 1421.3074966382. The cubic root of 2020115 is about 126.4130853235.
Adding to 2020115 its reverse (5110202), we get a palindrome (7130317).
The spelling of 2020115 in words is "two million, twenty thousand, one hundred fifteen".
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