Base | Representation |
---|---|
bin | 100110011001… |
… | …1010010000101 |
3 | 1101212212021120 |
4 | 1030303102011 |
5 | 20123223442 |
6 | 1555304153 |
7 | 333061533 |
oct | 114632205 |
9 | 41785246 |
10 | 20132997 |
11 | 10401245 |
12 | 68ab059 |
13 | 422bb21 |
14 | 2961153 |
15 | 1b7a4ec |
hex | 1333485 |
20132997 has 8 divisors (see below), whose sum is σ = 27049440. Its totient is φ = 13319280.
The previous prime is 20132977. The next prime is 20132999. The reversal of 20132997 is 79923102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20132997 - 26 = 20132933 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20132999) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25222 + ... + 26007.
It is an arithmetic number, because the mean of its divisors is an integer number (3381180).
Almost surely, 220132997 is an apocalyptic number.
It is an amenable number.
20132997 is a deficient number, since it is larger than the sum of its proper divisors (6916443).
20132997 is a wasteful number, since it uses less digits than its factorization.
20132997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51363.
The product of its (nonzero) digits is 6804, while the sum is 33.
The square root of 20132997 is about 4486.9808334781. The cubic root of 20132997 is about 272.0421151988.
The spelling of 20132997 in words is "twenty million, one hundred thirty-two thousand, nine hundred ninety-seven".
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