Base | Representation |
---|---|
bin | 100110001100… |
… | …1010101110101 |
3 | 1101200110112011 |
4 | 1030121111311 |
5 | 20111323431 |
6 | 1553124221 |
7 | 332140000 |
oct | 114312565 |
9 | 41613464 |
10 | 20026741 |
11 | 10339429 |
12 | 6859671 |
13 | 41c2657 |
14 | 2934537 |
15 | 1b58cb1 |
hex | 1319575 |
20026741 has 20 divisors (see below), whose sum is σ = 24648800. Its totient is φ = 16225272.
The previous prime is 20026729. The next prime is 20026753. The reversal of 20026741 is 14762002.
It is an interprime number because it is at equal distance from previous prime (20026729) and next prime (20026753).
It is not a de Polignac number, because 20026741 - 25 = 20026709 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20026711) 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 19 ways as a sum of consecutive naturals, for example, 45400 + ... + 45838.
It is an arithmetic number, because the mean of its divisors is an integer number (1232440).
Almost surely, 220026741 is an apocalyptic number.
It is an amenable number.
20026741 is a deficient number, since it is larger than the sum of its proper divisors (4622059).
20026741 is an frugal number, since it uses more digits than its factorization.
20026741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486 (or 465 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 20026741 is about 4475.1246910002. The cubic root of 20026741 is about 271.5626848512.
Adding to 20026741 its reverse (14762002), we get a palindrome (34788743).
The spelling of 20026741 in words is "twenty million, twenty-six thousand, seven hundred forty-one".
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