Base | Representation |
---|---|
bin | 100111011100… |
… | …0000110100010 |
3 | 1102220111112210 |
4 | 1032320012202 |
5 | 20243131101 |
6 | 2015102550 |
7 | 340515606 |
oct | 116700642 |
9 | 42814483 |
10 | 20677026 |
11 | 10742a57 |
12 | 6b11a56 |
13 | 438c636 |
14 | 2a63506 |
15 | 1c367d6 |
hex | 13b81a2 |
20677026 has 8 divisors (see below), whose sum is σ = 41354064. Its totient is φ = 6892340.
The previous prime is 20677003. The next prime is 20677037. The reversal of 20677026 is 62077602.
It is a sphenic number, since it is the product of 3 distinct primes.
20677026 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 20676984 and 20677002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1723080 + ... + 1723091.
It is an arithmetic number, because the mean of its divisors is an integer number (5169258).
Almost surely, 220677026 is an apocalyptic number.
20677026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20677026 is a wasteful number, since it uses less digits than its factorization.
20677026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3446176.
The product of its (nonzero) digits is 7056, while the sum is 30.
The square root of 20677026 is about 4547.1997976777. The cubic root of 20677026 is about 274.4707219247.
The spelling of 20677026 in words is "twenty million, six hundred seventy-seven thousand, twenty-six".
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