Base | Representation |
---|---|
bin | 110001111101… |
… | …101101111111 |
3 | 220122102212202 |
4 | 301331231333 |
5 | 11323112410 |
6 | 1144422115 |
7 | 216221111 |
oct | 61755577 |
9 | 26572782 |
10 | 13097855 |
11 | 7436681 |
12 | 447793b |
13 | 2937914 |
14 | 1a4d3b1 |
15 | 123aca5 |
hex | c7db7f |
13097855 has 8 divisors (see below), whose sum is σ = 15748992. Its totient is φ = 10457248.
The previous prime is 13097809. The next prime is 13097857. The reversal of 13097855 is 55879031.
13097855 = T1314 + T1315 + ... + T1328.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13097855 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13097857) 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, 434 + ... + 5136.
It is an arithmetic number, because the mean of its divisors is an integer number (1968624).
Almost surely, 213097855 is an apocalyptic number.
13097855 is a deficient number, since it is larger than the sum of its proper divisors (2651137).
13097855 is an equidigital number, since it uses as much as digits as its factorization.
13097855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5265.
The product of its (nonzero) digits is 37800, while the sum is 38.
The square root of 13097855 is about 3619.0958815704. The cubic root of 13097855 is about 235.7219686157.
The spelling of 13097855 in words is "thirteen million, ninety-seven thousand, eight hundred fifty-five".
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