Base | Representation |
---|---|
bin | 100110100011… |
… | …1001011010101 |
3 | 1102001000001122 |
4 | 1031013023111 |
5 | 20133330420 |
6 | 2001133325 |
7 | 333551234 |
oct | 115071325 |
9 | 42030048 |
10 | 20214485 |
11 | 10457495 |
12 | 692a245 |
13 | 4259c45 |
14 | 2982b1b |
15 | 1b94725 |
hex | 13472d5 |
20214485 has 16 divisors (see below), whose sum is σ = 24855552. Its totient is φ = 15777600.
The previous prime is 20214451. The next prime is 20214497. The reversal of 20214485 is 58441202.
It is a happy number.
It is not a de Polignac number, because 20214485 - 210 = 20213461 is a prime.
It is a Duffinian number.
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 15 ways as a sum of consecutive naturals, for example, 58082 + ... + 58428.
It is an arithmetic number, because the mean of its divisors is an integer number (1553472).
Almost surely, 220214485 is an apocalyptic number.
It is an amenable number.
20214485 is a deficient number, since it is larger than the sum of its proper divisors (4641067).
20214485 is a wasteful number, since it uses less digits than its factorization.
20214485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 604.
The product of its (nonzero) digits is 2560, while the sum is 26.
The square root of 20214485 is about 4496.0521571708. The cubic root of 20214485 is about 272.4086499065.
Adding to 20214485 its reverse (58441202), we get a palindrome (78655687).
The spelling of 20214485 in words is "twenty million, two hundred fourteen thousand, four hundred eighty-five".
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