Base | Representation |
---|---|
bin | 100110010010… |
… | …1011111011111 |
3 | 1101202222210111 |
4 | 1030211133133 |
5 | 20114422021 |
6 | 1554150451 |
7 | 332435050 |
oct | 114453737 |
9 | 41688714 |
10 | 20076511 |
11 | 10372864 |
12 | 6882427 |
13 | 420c1c0 |
14 | 2948727 |
15 | 1b688e1 |
hex | 13257df |
20076511 has 16 divisors (see below), whose sum is σ = 25316928. Its totient is φ = 15494400.
The previous prime is 20076509. The next prime is 20076523. The reversal of 20076511 is 11567002.
It is a cyclic number.
It is not a de Polignac number, because 20076511 - 21 = 20076509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20076211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041 + ... + 6421.
It is an arithmetic number, because the mean of its divisors is an integer number (1582308).
Almost surely, 220076511 is an apocalyptic number.
20076511 is a deficient number, since it is larger than the sum of its proper divisors (5240417).
20076511 is a wasteful number, since it uses less digits than its factorization.
20076511 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5442.
The product of its (nonzero) digits is 420, while the sum is 22.
The square root of 20076511 is about 4480.6819793420. The cubic root of 20076511 is about 271.7874592162.
The spelling of 20076511 in words is "twenty million, seventy-six thousand, five hundred eleven".
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