Base | Representation |
---|---|
bin | 100110010000… |
… | …0100000100101 |
3 | 1101201221210120 |
4 | 1030200200211 |
5 | 20113243401 |
6 | 1553512153 |
7 | 332321412 |
oct | 114404045 |
9 | 41657716 |
10 | 20056101 |
11 | 1035949a |
12 | 6872659 |
13 | 4202b20 |
14 | 2941109 |
15 | 1b62836 |
hex | 1320825 |
20056101 has 32 divisors (see below), whose sum is σ = 30385152. Its totient is φ = 11681280.
The previous prime is 20056097. The next prime is 20056111. The reversal of 20056101 is 10165002.
It is not a de Polignac number, because 20056101 - 22 = 20056097 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20056111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63921 + ... + 64233.
It is an arithmetic number, because the mean of its divisors is an integer number (949536).
Almost surely, 220056101 is an apocalyptic number.
It is an amenable number.
20056101 is a deficient number, since it is larger than the sum of its proper divisors (10329051).
20056101 is a wasteful number, since it uses less digits than its factorization.
20056101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 20056101 is about 4478.4038451216. The cubic root of 20056101 is about 271.6953272902.
The spelling of 20056101 in words is "twenty million, fifty-six thousand, one hundred one".
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