Base | Representation |
---|---|
bin | 110000110010… |
… | …101011001111 |
3 | 220001211020110 |
4 | 300302223033 |
5 | 11233243404 |
6 | 1134051103 |
7 | 213501012 |
oct | 60625317 |
9 | 26054213 |
10 | 12790479 |
11 | 7246749 |
12 | 4349a93 |
13 | 285aa40 |
14 | 19ad379 |
15 | 11c9b89 |
hex | c32acf |
12790479 has 32 divisors (see below), whose sum is σ = 19514880. Its totient is φ = 7394688.
The previous prime is 12790471. The next prime is 12790487. The reversal of 12790479 is 97409721.
It is an interprime number because it is at equal distance from previous prime (12790471) and next prime (12790487).
It is not a de Polignac number, because 12790479 - 23 = 12790471 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12790471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48502 + ... + 48764.
It is an arithmetic number, because the mean of its divisors is an integer number (609840).
Almost surely, 212790479 is an apocalyptic number.
12790479 is a deficient number, since it is larger than the sum of its proper divisors (6724401).
12790479 is a wasteful number, since it uses less digits than its factorization.
12790479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351.
The product of its (nonzero) digits is 31752, while the sum is 39.
The square root of 12790479 is about 3576.3779162723. The cubic root of 12790479 is about 233.8634055604.
The spelling of 12790479 in words is "twelve million, seven hundred ninety thousand, four hundred seventy-nine".
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