Base | Representation |
---|---|
bin | 100110011000… |
… | …0110110011011 |
3 | 1101212100121121 |
4 | 1030300312123 |
5 | 20122414120 |
6 | 1555150111 |
7 | 333020512 |
oct | 114606633 |
9 | 41770547 |
10 | 20123035 |
11 | 103a4809 |
12 | 68a5337 |
13 | 422742a |
14 | 295b679 |
15 | 1b775aa |
hex | 1330d9b |
20123035 has 8 divisors (see below), whose sum is σ = 24369840. Its totient is φ = 15950304.
The previous prime is 20123029. The next prime is 20123039. The reversal of 20123035 is 53032102.
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 20123035 - 217 = 19991963 is a prime.
It is a super-2 number, since 2×201230352 = 809873075222450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20123039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17917 + ... + 19006.
It is an arithmetic number, because the mean of its divisors is an integer number (3046230).
Almost surely, 220123035 is an apocalyptic number.
20123035 is a deficient number, since it is larger than the sum of its proper divisors (4246805).
20123035 is a wasteful number, since it uses less digits than its factorization.
20123035 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37037.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 20123035 is about 4485.8705955478. The cubic root of 20123035 is about 271.9972381135.
Adding to 20123035 its reverse (53032102), we get a palindrome (73155137).
The spelling of 20123035 in words is "twenty million, one hundred twenty-three thousand, thirty-five".
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