Base | Representation |
---|---|
bin | 100111111100… |
… | …0100110010110 |
3 | 1110101220221020 |
4 | 1033320212112 |
5 | 20330104311 |
6 | 2024502010 |
7 | 342666036 |
oct | 117704626 |
9 | 43356836 |
10 | 20941206 |
11 | 10903490 |
12 | 701a906 |
13 | 4452960 |
14 | 2ad18c6 |
15 | 1c89c06 |
hex | 13f8996 |
20941206 has 32 divisors (see below), whose sum is σ = 49206528. Its totient is φ = 5857440.
The previous prime is 20941199. The next prime is 20941231. The reversal of 20941206 is 60214902.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11346 + ... + 13061.
It is an arithmetic number, because the mean of its divisors is an integer number (1537704).
Almost surely, 220941206 is an apocalyptic number.
20941206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
20941206 is an abundant number, since it is smaller than the sum of its proper divisors (28265322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20941206 is a wasteful number, since it uses less digits than its factorization.
20941206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24436.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 20941206 is about 4576.1562473325. The cubic root of 20941206 is about 275.6347036654.
The spelling of 20941206 in words is "twenty million, nine hundred forty-one thousand, two hundred six".
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