Base | Representation |
---|---|
bin | 100110010001… |
… | …0001001111101 |
3 | 1101202022001100 |
4 | 1030202021331 |
5 | 20114002340 |
6 | 1554003313 |
7 | 332350155 |
oct | 114421175 |
9 | 41668040 |
10 | 20062845 |
11 | 10363570 |
12 | 6876539 |
13 | 4205c0a |
14 | 2943765 |
15 | 1b64830 |
hex | 132227d |
20062845 has 24 divisors (see below), whose sum is σ = 37937952. Its totient is φ = 9727200.
The previous prime is 20062829. The next prime is 20062849. The reversal of 20062845 is 54826002.
It is not a de Polignac number, because 20062845 - 24 = 20062829 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20062849) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19771 + ... + 20760.
It is an arithmetic number, because the mean of its divisors is an integer number (1580748).
Almost surely, 220062845 is an apocalyptic number.
It is an amenable number.
20062845 is a deficient number, since it is larger than the sum of its proper divisors (17875107).
20062845 is a wasteful number, since it uses less digits than its factorization.
20062845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40553 (or 40550 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 20062845 is about 4479.1567286711. The cubic root of 20062845 is about 271.7257770097.
Adding to 20062845 its reverse (54826002), we get a palindrome (74888847).
It can be divided in two parts, 2006 and 2845, that added together give a triangular number (4851 = T98).
The spelling of 20062845 in words is "twenty million, sixty-two thousand, eight hundred forty-five".
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