Base | Representation |
---|---|
bin | 100111010000… |
… | …0001100001110 |
3 | 1102201112012101 |
4 | 1032200030032 |
5 | 20232012321 |
6 | 2013025314 |
7 | 336630223 |
oct | 116401416 |
9 | 42645171 |
10 | 20579086 |
11 | 10686410 |
12 | 6a8523a |
13 | 4356b98 |
14 | 2a3994a |
15 | 1c17791 |
hex | 13a030e |
20579086 has 8 divisors (see below), whose sum is σ = 33674904. Its totient is φ = 9354120.
The previous prime is 20579081. The next prime is 20579087. The reversal of 20579086 is 68097502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20579081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467685 + ... + 467728.
It is an arithmetic number, because the mean of its divisors is an integer number (4209363).
Almost surely, 220579086 is an apocalyptic number.
20579086 is a deficient number, since it is larger than the sum of its proper divisors (13095818).
20579086 is a wasteful number, since it uses less digits than its factorization.
20579086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 935426.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 20579086 is about 4536.4177497228. The cubic root of 20579086 is about 274.0366779181.
The spelling of 20579086 in words is "twenty million, five hundred seventy-nine thousand, eighty-six".
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