Base | Representation |
---|---|
bin | 100110010000… |
… | …1011110010011 |
3 | 1101202011012212 |
4 | 1030201132103 |
5 | 20113410201 |
6 | 1553542335 |
7 | 332336054 |
oct | 114413623 |
9 | 41664185 |
10 | 20060051 |
11 | 10361460 |
12 | 68749ab |
13 | 420486b |
14 | 294272b |
15 | 1b63abb |
hex | 1321793 |
20060051 has 8 divisors (see below), whose sum is σ = 23171184. Its totient is φ = 17163520.
The previous prime is 20060009. The next prime is 20060087. The reversal of 20060051 is 15006002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-20060051 is a prime.
It is a super-3 number, since 3×200600513 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20065051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53450 + ... + 53823.
It is an arithmetic number, because the mean of its divisors is an integer number (2896398).
Almost surely, 220060051 is an apocalyptic number.
20060051 is a deficient number, since it is larger than the sum of its proper divisors (3111133).
20060051 is a wasteful number, since it uses less digits than its factorization.
20060051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107301.
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 20060051 is about 4478.8448287477. The cubic root of 20060051 is about 271.7131626959.
Adding to 20060051 its reverse (15006002), we get a palindrome (35066053).
The spelling of 20060051 in words is "twenty million, sixty thousand, fifty-one".
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