Base | Representation |
---|---|
bin | 110010100000… |
… | …111010011111 |
3 | 220220202122000 |
4 | 302200322133 |
5 | 11342221030 |
6 | 1151453343 |
7 | 220361313 |
oct | 62407237 |
9 | 26822560 |
10 | 13242015 |
11 | 7524a16 |
12 | 4527253 |
13 | 2988417 |
14 | 1a89b43 |
15 | 1268860 |
hex | ca0e9f |
13242015 has 32 divisors (see below), whose sum is σ = 24053760. Its totient is φ = 6908832.
The previous prime is 13242013. The next prime is 13242029. The reversal of 13242015 is 51024231.
It is not a de Polignac number, because 13242015 - 21 = 13242013 is a prime.
It is a super-2 number, since 2×132420152 = 350701922520450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13242011) 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, 5302 + ... + 7388.
It is an arithmetic number, because the mean of its divisors is an integer number (751680).
Almost surely, 213242015 is an apocalyptic number.
13242015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13242015 is a deficient number, since it is larger than the sum of its proper divisors (10811745).
13242015 is a wasteful number, since it uses less digits than its factorization.
13242015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2148 (or 2142 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 13242015 is about 3638.9579552394. The cubic root of 13242015 is about 236.5836304168.
Adding to 13242015 its reverse (51024231), we get a palindrome (64266246).
The spelling of 13242015 in words is "thirteen million, two hundred forty-two thousand, fifteen".
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