Base | Representation |
---|---|
bin | 100110110101… |
… | …1101001101110 |
3 | 1102022121000000 |
4 | 1031223221232 |
5 | 20203121021 |
6 | 2004245130 |
7 | 335042634 |
oct | 115535156 |
9 | 42277000 |
10 | 20363886 |
11 | 10549764 |
12 | 69a07a6 |
13 | 42acc4a |
14 | 29c1354 |
15 | 1bc3b26 |
hex | 136ba6e |
20363886 has 28 divisors (see below), whose sum is σ = 45801072. Its totient is φ = 6787476.
The previous prime is 20363879. The next prime is 20363911. The reversal of 20363886 is 68836302.
It is a super-3 number, since 3×203638863 (a number of 23 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20363886.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5526 + ... + 8441.
Almost surely, 220363886 is an apocalyptic number.
20363886 is an abundant number, since it is smaller than the sum of its proper divisors (25437186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20363886 is an equidigital number, since it uses as much as digits as its factorization.
20363886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13987 (or 13972 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 20363886 is about 4512.6362583306. The cubic root of 20363886 is about 273.0781083108.
The spelling of 20363886 in words is "twenty million, three hundred sixty-three thousand, eight hundred eighty-six".
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