Base | Representation |
---|---|
bin | 1000001000001000011011 |
3 | 11000020102220 |
4 | 20020020123 |
5 | 1021133314 |
6 | 113355123 |
7 | 24052152 |
oct | 10101033 |
9 | 4006386 |
10 | 2130459 |
11 | 1225711 |
12 | 868aa3 |
13 | 597936 |
14 | 3d6599 |
15 | 2c13a9 |
hex | 20821b |
2130459 has 8 divisors (see below), whose sum is σ = 2860032. Its totient is φ = 1410600.
The previous prime is 2130439. The next prime is 2130461. The reversal of 2130459 is 9540312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2130459 - 212 = 2126363 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an Ulam number.
2130459 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2130439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899 + ... + 2804.
It is an arithmetic number, because the mean of its divisors is an integer number (357504).
22130459 is an apocalyptic number.
2130459 is a deficient number, since it is larger than the sum of its proper divisors (729573).
2130459 is a wasteful number, since it uses less digits than its factorization.
2130459 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4857.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 2130459 is about 1459.6091942709. The cubic root of 2130459 is about 128.6740765805.
The spelling of 2130459 in words is "two million, one hundred thirty thousand, four hundred fifty-nine".
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