Base | Representation |
---|---|
bin | 100011010100… |
… | …0001000110101 |
3 | 1021211122002200 |
4 | 1012220020311 |
5 | 14214430420 |
6 | 1500455113 |
7 | 313241043 |
oct | 106501065 |
9 | 37748080 |
10 | 18514485 |
11 | a4a6230 |
12 | 624a499 |
13 | 3ab3222 |
14 | 265d393 |
15 | 195ab90 |
hex | 11a8235 |
18514485 has 48 divisors (see below), whose sum is σ = 35425728. Its totient is φ = 8870400.
The previous prime is 18514481. The next prime is 18514501. The reversal of 18514485 is 58441581.
It is not a de Polignac number, because 18514485 - 22 = 18514481 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18514481) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55770 + ... + 56100.
It is an arithmetic number, because the mean of its divisors is an integer number (738036).
Almost surely, 218514485 is an apocalyptic number.
18514485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
18514485 is a deficient number, since it is larger than the sum of its proper divisors (16911243).
18514485 is a wasteful number, since it uses less digits than its factorization.
18514485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466 (or 463 counting only the distinct ones).
The product of its digits is 25600, while the sum is 36.
The square root of 18514485 is about 4302.8461510958. The cubic root of 18514485 is about 264.5476321653.
It can be divided in two parts, 1851 and 4485, that added together give a palindrome (6336).
The spelling of 18514485 in words is "eighteen million, five hundred fourteen thousand, four hundred eighty-five".
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