Base | Representation |
---|---|
bin | 100110001110… |
… | …0001101010110 |
3 | 1101201001122011 |
4 | 1030130031112 |
5 | 20112212421 |
6 | 1553254434 |
7 | 332216146 |
oct | 114341526 |
9 | 41631564 |
10 | 20038486 |
11 | 10347236 |
12 | 686441a |
13 | 41c7ac0 |
14 | 2938926 |
15 | 1b5c4e1 |
hex | 131c356 |
20038486 has 16 divisors (see below), whose sum is σ = 32457600. Its totient is φ = 9223488.
The previous prime is 20038481. The next prime is 20038531. The reversal of 20038486 is 68483002.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20038481) 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, 11650 + ... + 13258.
It is an arithmetic number, because the mean of its divisors is an integer number (2028600).
Almost surely, 220038486 is an apocalyptic number.
20038486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
20038486 is a deficient number, since it is larger than the sum of its proper divisors (12419114).
20038486 is a wasteful number, since it uses less digits than its factorization.
20038486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2103.
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 20038486 is about 4476.4367525969. The cubic root of 20038486 is about 271.6157618916.
The spelling of 20038486 in words is "twenty million, thirty-eight thousand, four hundred eighty-six".
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