Base | Representation |
---|---|
bin | 110100011110… |
… | …111001000010 |
3 | 221212222110020 |
4 | 310132321002 |
5 | 12010224033 |
6 | 1210514310 |
7 | 224640561 |
oct | 64367102 |
9 | 27788406 |
10 | 13758018 |
11 | 784766a |
12 | 4735996 |
13 | 2b09251 |
14 | 1b81bd8 |
15 | 131b6b3 |
hex | d1ee42 |
13758018 has 32 divisors (see below), whose sum is σ = 28259712. Its totient is φ = 4464000.
The previous prime is 13758011. The next prime is 13758029. The reversal of 13758018 is 81085731.
13758018 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 13758018.
It is not an unprimeable number, because it can be changed into a prime (13758011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44083 + ... + 44393.
It is an arithmetic number, because the mean of its divisors is an integer number (883116).
Almost surely, 213758018 is an apocalyptic number.
13758018 is an abundant number, since it is smaller than the sum of its proper divisors (14501694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13758018 is a wasteful number, since it uses less digits than its factorization.
13758018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490.
The product of its (nonzero) digits is 6720, while the sum is 33.
The square root of 13758018 is about 3709.1802328817. The cubic root of 13758018 is about 239.6175505978.
The spelling of 13758018 in words is "thirteen million, seven hundred fifty-eight thousand, eighteen".
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