Base | Representation |
---|---|
bin | 100100001100… |
… | …1100100101010 |
3 | 1022201020110011 |
4 | 1020121210222 |
5 | 14324312424 |
6 | 1514442134 |
7 | 320214460 |
oct | 110314452 |
9 | 38636404 |
10 | 18979114 |
11 | a793320 |
12 | 643334a |
13 | 3c1685b |
14 | 2740830 |
15 | 19ed694 |
hex | 121992a |
18979114 has 32 divisors (see below), whose sum is σ = 35707392. Its totient is φ = 7350000.
The previous prime is 18979111. The next prime is 18979127. The reversal of 18979114 is 41197981.
It is not an unprimeable number, because it can be changed into a prime (18979111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38409 + ... + 38899.
It is an arithmetic number, because the mean of its divisors is an integer number (1115856).
Almost surely, 218979114 is an apocalyptic number.
18979114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
18979114 is a deficient number, since it is larger than the sum of its proper divisors (16728278).
18979114 is a wasteful number, since it uses less digits than its factorization.
18979114 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 762.
The product of its digits is 18144, while the sum is 40.
The square root of 18979114 is about 4356.5024962692. The cubic root of 18979114 is about 266.7423531691.
It can be divided in two parts, 1897 and 9114, that added together give a palindrome (11011).
The spelling of 18979114 in words is "eighteen million, nine hundred seventy-nine thousand, one hundred fourteen".
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