Base | Representation |
---|---|
bin | 100110111011… |
… | …1011001110111 |
3 | 1102102001000212 |
4 | 1031313121313 |
5 | 20211141043 |
6 | 2005300035 |
7 | 335333162 |
oct | 115673167 |
9 | 42361025 |
10 | 20412023 |
11 | 10581945 |
12 | 6a0461b |
13 | 42c8b28 |
14 | 29d4ad9 |
15 | 1bd3018 |
hex | 1377677 |
20412023 has 6 divisors (see below), whose sum is σ = 21543264. Its totient is φ = 19337364.
The previous prime is 20411983. The next prime is 20412037. The reversal of 20412023 is 32021402.
It is a de Polignac number, because none of the positive numbers 2k-20412023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20411989 and 20412007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20412083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27911 + ... + 28632.
It is an arithmetic number, because the mean of its divisors is an integer number (3590544).
Almost surely, 220412023 is an apocalyptic number.
20412023 is a deficient number, since it is larger than the sum of its proper divisors (1131241).
20412023 is an equidigital number, since it uses as much as digits as its factorization.
20412023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56581 (or 56562 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 20412023 is about 4517.9666886776. The cubic root of 20412023 is about 273.2931101165.
Adding to 20412023 its reverse (32021402), we get a palindrome (52433425).
The spelling of 20412023 in words is "twenty million, four hundred twelve thousand, twenty-three".
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