Base | Representation |
---|---|
bin | 110100101001… |
… | …100110110010 |
3 | 221222012122201 |
4 | 310221212302 |
5 | 12013130111 |
6 | 1211453414 |
7 | 225212536 |
oct | 64514662 |
9 | 27865581 |
10 | 13801906 |
11 | 7877638 |
12 | 475726a |
13 | 2b23211 |
14 | 1b93bc6 |
15 | 13296c1 |
hex | d299b2 |
13801906 has 8 divisors (see below), whose sum is σ = 20747520. Its totient is φ = 6886068.
The previous prime is 13801873. The next prime is 13801927. The reversal of 13801906 is 60910831.
It is a happy number.
13801906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6246 + ... + 8161.
It is an arithmetic number, because the mean of its divisors is an integer number (2593440).
Almost surely, 213801906 is an apocalyptic number.
13801906 is a deficient number, since it is larger than the sum of its proper divisors (6945614).
13801906 is a wasteful number, since it uses less digits than its factorization.
13801906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14888.
The product of its (nonzero) digits is 1296, while the sum is 28.
The square root of 13801906 is about 3715.0916543203. The cubic root of 13801906 is about 239.8720730270.
The spelling of 13801906 in words is "thirteen million, eight hundred one thousand, nine hundred six".
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