Base | Representation |
---|---|
bin | 100110100010… |
… | …0001111110110 |
3 | 1102000101121020 |
4 | 1031010033312 |
5 | 20132434421 |
6 | 2001002010 |
7 | 333501243 |
oct | 115041766 |
9 | 42011536 |
10 | 20202486 |
11 | 10449477 |
12 | 6923306 |
13 | 4254645 |
14 | 297c5ca |
15 | 1b90dc6 |
hex | 13443f6 |
20202486 has 16 divisors (see below), whose sum is σ = 40449024. Its totient is φ = 6726824.
The previous prime is 20202467. The next prime is 20202493. The reversal of 20202486 is 68420202.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 10015 + ... + 11861.
It is an arithmetic number, because the mean of its divisors is an integer number (2528064).
Almost surely, 220202486 is an apocalyptic number.
20202486 is an abundant number, since it is smaller than the sum of its proper divisors (20246538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202486 is a wasteful number, since it uses less digits than its factorization.
20202486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3675.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 20202486 is about 4494.7175662104. The cubic root of 20202486 is about 272.3547400767.
Adding to 20202486 its reverse (68420202), we get a palindrome (88622688).
The spelling of 20202486 in words is "twenty million, two hundred two thousand, four hundred eighty-six".
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