Base | Representation |
---|---|
bin | 110001001100… |
… | …111111111001 |
3 | 220021022010201 |
4 | 301030333321 |
5 | 11300221142 |
6 | 1140242201 |
7 | 214430236 |
oct | 61147771 |
9 | 26238121 |
10 | 12898297 |
11 | 730a755 |
12 | 43a0361 |
13 | 2897b39 |
14 | 19da78d |
15 | 11ebab7 |
hex | c4cff9 |
12898297 has 8 divisors (see below), whose sum is σ = 13203080. Its totient is φ = 12597120.
The previous prime is 12898289. The next prime is 12898307. The reversal of 12898297 is 79289821.
It can be written as a sum of positive squares in 4 ways, for example, as 4968441 + 7929856 = 2229^2 + 2816^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12898297 - 23 = 12898289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12898217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7147 + ... + 8767.
It is an arithmetic number, because the mean of its divisors is an integer number (1650385).
Almost surely, 212898297 is an apocalyptic number.
It is an amenable number.
12898297 is a deficient number, since it is larger than the sum of its proper divisors (304783).
12898297 is a wasteful number, since it uses less digits than its factorization.
12898297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1803.
The product of its digits is 145152, while the sum is 46.
The square root of 12898297 is about 3591.4199141844. The cubic root of 12898297 is about 234.5186889450.
The spelling of 12898297 in words is "twelve million, eight hundred ninety-eight thousand, two hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •