Base | Representation |
---|---|
bin | 100111000001… |
… | …1110110100100 |
3 | 1102111121222100 |
4 | 1032003312210 |
5 | 20214304022 |
6 | 2010332100 |
7 | 335634633 |
oct | 116036644 |
9 | 42447870 |
10 | 20463012 |
11 | 10607189 |
12 | 6a2a030 |
13 | 43160bb |
14 | 2a0951a |
15 | 1be31ac |
hex | 1383da4 |
20463012 has 36 divisors (see below), whose sum is σ = 52932880. Its totient is φ = 6661872.
The previous prime is 20462993. The next prime is 20463017. The reversal of 20463012 is 21036402.
It is a happy number.
20463012 is a `hidden beast` number, since 20 + 4 + 630 + 12 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×204630122 = 837469720224288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (20463017) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5062 + ... + 8157.
Almost surely, 220463012 is an apocalyptic number.
It is an amenable number.
20463012 is an abundant number, since it is smaller than the sum of its proper divisors (32469868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20463012 is a wasteful number, since it uses less digits than its factorization.
20463012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13272 (or 13267 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 20463012 is about 4523.6060836461. The cubic root of 20463012 is about 273.5204819186.
Adding to 20463012 its reverse (21036402), we get a palindrome (41499414).
The spelling of 20463012 in words is "twenty million, four hundred sixty-three thousand, twelve".
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