Base | Representation |
---|---|
bin | 100111001011… |
… | …0111100010010 |
3 | 1102122121020021 |
4 | 1032112330102 |
5 | 20224304302 |
6 | 2012134054 |
7 | 336411613 |
oct | 116267422 |
9 | 42577207 |
10 | 20541202 |
11 | 1065aa00 |
12 | 6a6732a |
13 | 4342876 |
14 | 2a29c0a |
15 | 1c0b437 |
hex | 1396f12 |
20541202 has 24 divisors (see below), whose sum is σ = 35866908. Its totient is φ = 8785920.
The previous prime is 20541197. The next prime is 20541203. The reversal of 20541202 is 20214502.
It can be written as a sum of positive squares in 2 ways, for example, as 20439441 + 101761 = 4521^2 + 319^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20541203) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 1618 + ... + 6610.
Almost surely, 220541202 is an apocalyptic number.
20541202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20541202 is a deficient number, since it is larger than the sum of its proper divisors (15325706).
20541202 is a wasteful number, since it uses less digits than its factorization.
20541202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5034 (or 5023 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 20541202 is about 4532.2402848922. The cubic root of 20541202 is about 273.8684167601.
Adding to 20541202 its reverse (20214502), we get a palindrome (40755704).
The spelling of 20541202 in words is "twenty million, five hundred forty-one thousand, two hundred two".
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