Base | Representation |
---|---|
bin | 11001011011111… |
… | …00100001100111 |
3 | 112212111100222000 |
4 | 30231330201213 |
5 | 414110332413 |
6 | 33101140343 |
7 | 5200423560 |
oct | 1455744147 |
9 | 485440860 |
10 | 213370983 |
11 | aa495861 |
12 | 5b55a6b3 |
13 | 35289327 |
14 | 204a3167 |
15 | 13aeb073 |
hex | cb7c867 |
213370983 has 16 divisors (see below), whose sum is σ = 361263360. Its totient is φ = 121926168.
The previous prime is 213370967. The next prime is 213370991. The reversal of 213370983 is 389073312.
It is a happy number.
It is not a de Polignac number, because 213370983 - 24 = 213370967 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213370933) 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, 564285 + ... + 564662.
It is an arithmetic number, because the mean of its divisors is an integer number (22578960).
Almost surely, 2213370983 is an apocalyptic number.
213370983 is a deficient number, since it is larger than the sum of its proper divisors (147892377).
213370983 is a wasteful number, since it uses less digits than its factorization.
213370983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1128963 (or 1128957 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 213370983 is about 14607.2236581768. The cubic root of 213370983 is about 597.5557815139. Note that the first 3 decimals are identical.
The spelling of 213370983 in words is "two hundred thirteen million, three hundred seventy thousand, nine hundred eighty-three".
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