Base | Representation |
---|---|
bin | 110110111000… |
… | …111010010101 |
3 | 1000002000211200 |
4 | 312320322111 |
5 | 12140421020 |
6 | 1232223113 |
7 | 233206050 |
oct | 66707225 |
9 | 30060750 |
10 | 14388885 |
11 | 8138645 |
12 | 499aa99 |
13 | 2c9a444 |
14 | 1ca7a97 |
15 | 13e3590 |
hex | db8e95 |
14388885 has 48 divisors (see below), whose sum is σ = 30191616. Its totient is φ = 6188544.
The previous prime is 14388877. The next prime is 14388911. The reversal of 14388885 is 58888341.
It is not a de Polignac number, because 14388885 - 23 = 14388877 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 14388885.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4012 + ... + 6698.
It is an arithmetic number, because the mean of its divisors is an integer number (628992).
Almost surely, 214388885 is an apocalyptic number.
14388885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
14388885 is an abundant number, since it is smaller than the sum of its proper divisors (15802731).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14388885 is a wasteful number, since it uses less digits than its factorization.
14388885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2722 (or 2719 counting only the distinct ones).
The product of its digits is 245760, while the sum is 45.
The square root of 14388885 is about 3793.2683796431. The cubic root of 14388885 is about 243.2254677151.
Adding to 14388885 its sum of digits (45), we get a triangular number (14388930 = T5364).
The spelling of 14388885 in words is "fourteen million, three hundred eighty-eight thousand, eight hundred eighty-five".
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