Base | Representation |
---|---|
bin | 111111011100110011011 |
3 | 10220122000212 |
4 | 13323212123 |
5 | 1013013011 |
6 | 112321335 |
7 | 23446415 |
oct | 7734633 |
9 | 3818025 |
10 | 2079131 |
11 | 11a009a |
12 | 84324b |
13 | 57a472 |
14 | 3c19b5 |
15 | 2b108b |
hex | 1fb99b |
2079131 has 4 divisors (see below), whose sum is σ = 2169552. Its totient is φ = 1988712.
The previous prime is 2079127. The next prime is 2079149. The reversal of 2079131 is 1319702.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2079131 - 22 = 2079127 is a prime.
It is a super-2 number, since 2×20791312 = 8645571430322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 90397 = 2079131 / (2 + 0 + 7 + 9 + 1 + 3 + 1).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2079097 and 2079106.
It is not an unprimeable number, because it can be changed into a prime (2079191) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45176 + ... + 45221.
It is an arithmetic number, because the mean of its divisors is an integer number (542388).
22079131 is an apocalyptic number.
2079131 is a deficient number, since it is larger than the sum of its proper divisors (90421).
2079131 is an equidigital number, since it uses as much as digits as its factorization.
2079131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90420.
The product of its (nonzero) digits is 378, while the sum is 23.
The square root of 2079131 is about 1441.9192071680. The cubic root of 2079131 is about 127.6323065899.
The spelling of 2079131 in words is "two million, seventy-nine thousand, one hundred thirty-one".
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