Base | Representation |
---|---|
bin | 110111000010… |
… | …011101010110 |
3 | 1000011000111000 |
4 | 313002131112 |
5 | 12143143430 |
6 | 1233124130 |
7 | 233431053 |
oct | 67023526 |
9 | 30130430 |
10 | 14427990 |
11 | 8164a65 |
12 | 49b9646 |
13 | 2cb2195 |
14 | 1cb802a |
15 | 13eee60 |
hex | dc2756 |
14427990 has 32 divisors (see below), whose sum is σ = 38475360. Its totient is φ = 3847392.
The previous prime is 14427983. The next prime is 14427991. The reversal of 14427990 is 9972441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14427991) 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 15 ways as a sum of consecutive naturals, for example, 26449 + ... + 26988.
It is an arithmetic number, because the mean of its divisors is an integer number (1202355).
Almost surely, 214427990 is an apocalyptic number.
14427990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
14427990 is an abundant number, since it is smaller than the sum of its proper divisors (24047370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14427990 is a wasteful number, since it uses less digits than its factorization.
14427990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53453 (or 53447 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 14427990 is about 3798.4194081223. The cubic root of 14427990 is about 243.4456082034.
The spelling of 14427990 in words is "fourteen million, four hundred twenty-seven thousand, nine hundred ninety".
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