Base | Representation |
---|---|
bin | 100110010000… |
… | …1111110001001 |
3 | 1101202021000100 |
4 | 1030201332021 |
5 | 20113441324 |
6 | 1554000013 |
7 | 332345025 |
oct | 114417611 |
9 | 41667010 |
10 | 20062089 |
11 | 10362a43 |
12 | 6876009 |
13 | 4205778 |
14 | 2943385 |
15 | 1b644c9 |
hex | 1321f89 |
20062089 has 6 divisors (see below), whose sum is σ = 28978586. Its totient is φ = 13374720.
The previous prime is 20062087. The next prime is 20062093. The reversal of 20062089 is 98026002.
It can be written as a sum of positive squares in only one way, i.e., 12194064 + 7868025 = 3492^2 + 2805^2 .
It is not a de Polignac number, because 20062089 - 21 = 20062087 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20062087) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1114552 + ... + 1114569.
Almost surely, 220062089 is an apocalyptic number.
It is an amenable number.
20062089 is a deficient number, since it is larger than the sum of its proper divisors (8916497).
20062089 is a wasteful number, since it uses less digits than its factorization.
20062089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2229127 (or 2229124 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 20062089 is about 4479.0723369912. The cubic root of 20062089 is about 271.7223639466.
It can be divided in two parts, 2006 and 2089, that added together give a triangular number (4095 = T90).
The spelling of 20062089 in words is "twenty million, sixty-two thousand, eighty-nine".
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