Base | Representation |
---|---|
bin | 100010100011… |
… | …0100101000000 |
3 | 1021002022221111 |
4 | 1011012211000 |
5 | 14114134010 |
6 | 1444133104 |
7 | 306655030 |
oct | 105064500 |
9 | 37068844 |
10 | 18114880 |
11 | a252a83 |
12 | 6097194 |
13 | 39a3384 |
14 | 25978c0 |
15 | 18cc58a |
hex | 1146940 |
18114880 has 56 divisors (see below), whose sum is σ = 49304448. Its totient is φ = 6210048.
The previous prime is 18114853. The next prime is 18114883. The reversal of 18114880 is 8841181.
It is a tau number, because it is divible by the number of its divisors (56).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18114883) 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, 1804 + ... + 6283.
Almost surely, 218114880 is an apocalyptic number.
18114880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18114880 is an abundant number, since it is smaller than the sum of its proper divisors (31189568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18114880 is an equidigital number, since it uses as much as digits as its factorization.
18114880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8111 (or 8101 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 31.
The square root of 18114880 is about 4256.1578918081. The cubic root of 18114880 is about 262.6304959627.
The spelling of 18114880 in words is "eighteen million, one hundred fourteen thousand, eight hundred eighty".
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