Base | Representation |
---|---|
bin | 100110010000… |
… | …1110101011000 |
3 | 1101202020020120 |
4 | 1030201311120 |
5 | 20113432103 |
6 | 1553553240 |
7 | 332343264 |
oct | 114416530 |
9 | 41666216 |
10 | 20061528 |
11 | 10362583 |
12 | 6875820 |
13 | 4205436 |
14 | 29430a4 |
15 | 1b64253 |
hex | 1321d58 |
20061528 has 16 divisors (see below), whose sum is σ = 50153880. Its totient is φ = 6687168.
The previous prime is 20061523. The next prime is 20061539. The reversal of 20061528 is 82516002.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 835897 = 20061528 / (2 + 0 + 0 + 6 + 1 + 5 + 2 + 8).
It is a junction number, because it is equal to n+sod(n) for n = 20061498 and 20061507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20061523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417925 + ... + 417972.
Almost surely, 220061528 is an apocalyptic number.
It is an amenable number.
20061528 is an abundant number, since it is smaller than the sum of its proper divisors (30092352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20061528 is a wasteful number, since it uses less digits than its factorization.
20061528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 835906 (or 835902 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 20061528 is about 4479.0097119788. The cubic root of 20061528 is about 271.7198311816.
The spelling of 20061528 in words is "twenty million, sixty-one thousand, five hundred twenty-eight".
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