Base | Representation |
---|---|
bin | 100011000111… |
… | …1110000100110 |
3 | 1021122120010100 |
4 | 1012033300212 |
5 | 14203232010 |
6 | 1454404530 |
7 | 312343653 |
oct | 106176046 |
9 | 37576110 |
10 | 18414630 |
11 | a438203 |
12 | 6200746 |
13 | 3a79940 |
14 | 2634c2a |
15 | 193b2c0 |
hex | 118fc26 |
18414630 has 48 divisors (see below), whose sum is σ = 51564240. Its totient is φ = 4532544.
The previous prime is 18414611. The next prime is 18414653. The reversal of 18414630 is 3641481.
18414630 is a `hidden beast` number, since 18 + 4 + 14 + 630 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 18414594 and 18414603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6700 + ... + 9039.
It is an arithmetic number, because the mean of its divisors is an integer number (1074255).
Almost surely, 218414630 is an apocalyptic number.
18414630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18414630 is an abundant number, since it is smaller than the sum of its proper divisors (33149610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18414630 is a wasteful number, since it uses less digits than its factorization.
18414630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15765 (or 15762 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 18414630 is about 4291.2270972299. The cubic root of 18414630 is about 264.0711757125.
It can be divided in two parts, 18414 and 630, that added together give a square (19044 = 1382).
The spelling of 18414630 in words is "eighteen million, four hundred fourteen thousand, six hundred thirty".
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