Base | Representation |
---|---|
bin | 110010100000… |
… | …110000101011 |
3 | 220220201202202 |
4 | 302200300223 |
5 | 11342211022 |
6 | 1151450415 |
7 | 220356425 |
oct | 62406053 |
9 | 26821682 |
10 | 13241387 |
11 | 75244a5 |
12 | 4526a0b |
13 | 2988053 |
14 | 1a89815 |
15 | 1268592 |
hex | ca0c2b |
13241387 has 2 divisors, whose sum is σ = 13241388. Its totient is φ = 13241386.
The previous prime is 13241381. The next prime is 13241471. The reversal of 13241387 is 78314231.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13241387 - 210 = 13240363 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13241381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620693 + 6620694.
It is an arithmetic number, because the mean of its divisors is an integer number (6620694).
Almost surely, 213241387 is an apocalyptic number.
13241387 is a deficient number, since it is larger than the sum of its proper divisors (1).
13241387 is an equidigital number, since it uses as much as digits as its factorization.
13241387 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4032, while the sum is 29.
The square root of 13241387 is about 3638.8716657777. The cubic root of 13241387 is about 236.5798903800.
The spelling of 13241387 in words is "thirteen million, two hundred forty-one thousand, three hundred eighty-seven".
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