Base | Representation |
---|---|
bin | 11001010010000… |
… | …10010011100011 |
3 | 112210001222110201 |
4 | 30221002103203 |
5 | 413243141224 |
6 | 33013410031 |
7 | 5153453344 |
oct | 1451022343 |
9 | 483058421 |
10 | 212083939 |
11 | a9796891 |
12 | 5b039917 |
13 | 34c28572 |
14 | 2024a0cb |
15 | 13944a44 |
hex | ca424e3 |
212083939 has 8 divisors (see below), whose sum is σ = 217662480. Its totient is φ = 206524800.
The previous prime is 212083933. The next prime is 212083957. The reversal of 212083939 is 939380212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212083939 - 27 = 212083811 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212083898 and 212083907.
It is not an unprimeable number, because it can be changed into a prime (212083933) 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, 18784 + ... + 27874.
It is an arithmetic number, because the mean of its divisors is an integer number (27207810).
Almost surely, 2212083939 is an apocalyptic number.
212083939 is a deficient number, since it is larger than the sum of its proper divisors (5578541).
212083939 is an equidigital number, since it uses as much as digits as its factorization.
212083939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9701.
The product of its (nonzero) digits is 23328, while the sum is 37.
The square root of 212083939 is about 14563.1019703908. The cubic root of 212083939 is about 596.3518812643.
The spelling of 212083939 in words is "two hundred twelve million, eighty-three thousand, nine hundred thirty-nine".
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