Base | Representation |
---|---|
bin | 100110111011… |
… | …1111100101111 |
3 | 1102102011002112 |
4 | 1031313330233 |
5 | 20211224010 |
6 | 2005314235 |
7 | 335342531 |
oct | 115677457 |
9 | 42364075 |
10 | 20414255 |
11 | 10583594 |
12 | 6a0597b |
13 | 42c9b54 |
14 | 29d5851 |
15 | 1bd3a05 |
hex | 1377f2f |
20414255 has 8 divisors (see below), whose sum is σ = 24548832. Its totient is φ = 16296928.
The previous prime is 20414243. The next prime is 20414257. The reversal of 20414255 is 55241402.
It is a happy number.
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 20414255 - 210 = 20413231 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20414255.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20414257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544 + ... + 6573.
It is an arithmetic number, because the mean of its divisors is an integer number (3068604).
Almost surely, 220414255 is an apocalyptic number.
20414255 is a deficient number, since it is larger than the sum of its proper divisors (4134577).
20414255 is an equidigital number, since it uses as much as digits as its factorization.
20414255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8625.
The product of its (nonzero) digits is 1600, while the sum is 23.
The square root of 20414255 is about 4518.2136956988. The cubic root of 20414255 is about 273.3030710432.
Adding to 20414255 its reverse (55241402), we get a palindrome (75655657).
The spelling of 20414255 in words is "twenty million, four hundred fourteen thousand, two hundred fifty-five".
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