Base | Representation |
---|---|
bin | 100110010000… |
… | …0000001110100 |
3 | 1101201212002122 |
4 | 1030200001310 |
5 | 20113213012 |
6 | 1553455112 |
7 | 332312600 |
oct | 114400164 |
9 | 41655078 |
10 | 20054132 |
11 | 10357a6a |
12 | 6871498 |
13 | 4201c67 |
14 | 2940500 |
15 | 1b61e72 |
hex | 1320074 |
20054132 has 18 divisors (see below), whose sum is σ = 40824882. Its totient is φ = 8594544.
The previous prime is 20054123. The next prime is 20054141. The reversal of 20054132 is 23145002.
It is an interprime number because it is at equal distance from previous prime (20054123) and next prime (20054141).
It can be written as a sum of positive squares in only one way, i.e., 19324816 + 729316 = 4396^2 + 854^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20054132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50963 + ... + 51354.
It is an arithmetic number, because the mean of its divisors is an integer number (2268049).
Almost surely, 220054132 is an apocalyptic number.
It is an amenable number.
20054132 is an abundant number, since it is smaller than the sum of its proper divisors (20770750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20054132 is a wasteful number, since it uses less digits than its factorization.
20054132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102335 (or 102326 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 20054132 is about 4478.1840069385. The cubic root of 20054132 is about 271.6864358044.
Adding to 20054132 its reverse (23145002), we get a palindrome (43199134).
The spelling of 20054132 in words is "twenty million, fifty-four thousand, one hundred thirty-two".
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