Base | Representation |
---|---|
bin | 110100100101… |
… | …111110010010 |
3 | 221221110020121 |
4 | 310211332102 |
5 | 12012141101 |
6 | 1211300454 |
7 | 225121261 |
oct | 64457622 |
9 | 27843217 |
10 | 13787026 |
11 | 7867440 |
12 | 474a72a |
13 | 2b19506 |
14 | 1b8c5d8 |
15 | 13250a1 |
hex | d25f92 |
13787026 has 8 divisors (see below), whose sum is σ = 22560624. Its totient is φ = 6266820.
The previous prime is 13787023. The next prime is 13787041. The reversal of 13787026 is 62078731.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×137870263 (a number of 22 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13786982 and 13787000.
It is not an unprimeable number, because it can be changed into a prime (13787021) 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 3 ways as a sum of consecutive naturals, for example, 313320 + ... + 313363.
It is an arithmetic number, because the mean of its divisors is an integer number (2820078).
Almost surely, 213787026 is an apocalyptic number.
13787026 is a deficient number, since it is larger than the sum of its proper divisors (8773598).
13787026 is a wasteful number, since it uses less digits than its factorization.
13787026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 626696.
The product of its (nonzero) digits is 14112, while the sum is 34.
The square root of 13787026 is about 3713.0884718789. The cubic root of 13787026 is about 239.7858390456.
The spelling of 13787026 in words is "thirteen million, seven hundred eighty-seven thousand, twenty-six".
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