Base | Representation |
---|---|
bin | 100111001011… |
… | …1101001111100 |
3 | 1102122202020111 |
4 | 1032113221330 |
5 | 20224402444 |
6 | 2012155404 |
7 | 336423256 |
oct | 116275174 |
9 | 42582214 |
10 | 20544124 |
11 | 10662117 |
12 | 6a68b64 |
13 | 4343cb3 |
14 | 2a2acd6 |
15 | 1c0c234 |
hex | 1397a7c |
20544124 has 6 divisors (see below), whose sum is σ = 35952224. Its totient is φ = 10272060.
The previous prime is 20544119. The next prime is 20544169. The reversal of 20544124 is 42144502.
It is a happy number.
It is a super-2 number, since 2×205441242 = 844122061854752, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20544095 and 20544104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2568012 + ... + 2568019.
Almost surely, 220544124 is an apocalyptic number.
It is an amenable number.
20544124 is a deficient number, since it is larger than the sum of its proper divisors (15408100).
20544124 is a wasteful number, since it uses less digits than its factorization.
20544124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5136035 (or 5136033 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 22.
The square root of 20544124 is about 4532.5626305656. The cubic root of 20544124 is about 273.8814021341.
Adding to 20544124 its reverse (42144502), we get a palindrome (62688626).
The spelling of 20544124 in words is "twenty million, five hundred forty-four thousand, one hundred twenty-four".
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