Base | Representation |
---|---|
bin | 100110001111… |
… | …1010001011100 |
3 | 1101201200211222 |
4 | 1030133101130 |
5 | 20113113121 |
6 | 1553432512 |
7 | 332300555 |
oct | 114372134 |
9 | 41650758 |
10 | 20051036 |
11 | 10355705 |
12 | 686b738 |
13 | 4200725 |
14 | 293d32c |
15 | 1b610ab |
hex | 131f45c |
20051036 has 12 divisors (see below), whose sum is σ = 35216160. Its totient is φ = 9989280.
The previous prime is 20050981. The next prime is 20051047. The reversal of 20051036 is 63015002.
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 3 ways as a sum of consecutive naturals, for example, 7796 + ... + 10043.
It is an arithmetic number, because the mean of its divisors is an integer number (2934680).
Almost surely, 220051036 is an apocalyptic number.
It is an amenable number.
20051036 is a deficient number, since it is larger than the sum of its proper divisors (15165124).
20051036 is a wasteful number, since it uses less digits than its factorization.
20051036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18124 (or 18122 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 20051036 is about 4477.8383177600. The cubic root of 20051036 is about 271.6724539063.
Adding to 20051036 its reverse (63015002), we get a palindrome (83066038).
The spelling of 20051036 in words is "twenty million, fifty-one thousand, thirty-six".
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