Base | Representation |
---|---|
bin | 110001100111… |
… | …011111111010 |
3 | 220110211000220 |
4 | 301213133322 |
5 | 11312204332 |
6 | 1142440510 |
7 | 215361552 |
oct | 61473772 |
9 | 26424026 |
10 | 13006842 |
11 | 7384262 |
12 | 4433136 |
13 | 2905374 |
14 | 1a28162 |
15 | 121dd2c |
hex | c677fa |
13006842 has 16 divisors (see below), whose sum is σ = 26064192. Its totient is φ = 4327200.
The previous prime is 13006837. The next prime is 13006843. The reversal of 13006842 is 24860031.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (13006843) 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, 1803 + ... + 5409.
It is an arithmetic number, because the mean of its divisors is an integer number (1629012).
Almost surely, 213006842 is an apocalyptic number.
It is a pronic number, being equal to 3606×3607.
13006842 is an abundant number, since it is smaller than the sum of its proper divisors (13057350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13006842 is a wasteful number, since it uses less digits than its factorization.
13006842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4213.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 13006842 is about 3606.4999653404. The cubic root of 13006842 is about 235.1747123884.
Adding to 13006842 its reverse (24860031), we get a palindrome (37866873).
The spelling of 13006842 in words is "thirteen million, six thousand, eight hundred forty-two".
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