Base | Representation |
---|---|
bin | 111001001011… |
… | …100011100100 |
3 | 1001012112210011 |
4 | 321023203210 |
5 | 12314131130 |
6 | 1253140004 |
7 | 241260166 |
oct | 71134344 |
9 | 31175704 |
10 | 14989540 |
11 | 8508955 |
12 | 502a604 |
13 | 314a967 |
14 | 1dc2936 |
15 | 14b152a |
hex | e4b8e4 |
14989540 has 24 divisors (see below), whose sum is σ = 32014080. Its totient is φ = 5893728.
The previous prime is 14989531. The next prime is 14989543. The reversal of 14989540 is 4598941.
14989540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 14989493 and 14989502.
It is not an unprimeable number, because it can be changed into a prime (14989543) 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, 5172 + ... + 7531.
It is an arithmetic number, because the mean of its divisors is an integer number (1333920).
Almost surely, 214989540 is an apocalyptic number.
14989540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
14989540 is an abundant number, since it is smaller than the sum of its proper divisors (17024540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14989540 is a wasteful number, since it uses less digits than its factorization.
14989540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12771 (or 12769 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 40.
The square root of 14989540 is about 3871.6327305156. The cubic root of 14989540 is about 246.5638683733.
The spelling of 14989540 in words is "fourteen million, nine hundred eighty-nine thousand, five hundred forty".
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