Base | Representation |
---|---|
bin | 100011101100… |
… | …0100111111100 |
3 | 1022012201112012 |
4 | 1013120213330 |
5 | 14242304314 |
6 | 1505030352 |
7 | 315026045 |
oct | 107304774 |
9 | 38181465 |
10 | 18713084 |
11 | a621465 |
12 | 63253b8 |
13 | 3b52740 |
14 | 26b18cc |
15 | 199993e |
hex | 11d89fc |
18713084 has 24 divisors (see below), whose sum is σ = 36091440. Its totient is φ = 8434944.
The previous prime is 18713027. The next prime is 18713113. The reversal of 18713084 is 48031781.
It is a self number, because there is not a number n which added to its sum of digits gives 18713084.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949 + ... + 6420.
It is an arithmetic number, because the mean of its divisors is an integer number (1503810).
Almost surely, 218713084 is an apocalyptic number.
It is an amenable number.
18713084 is a deficient number, since it is larger than the sum of its proper divisors (17378356).
18713084 is a wasteful number, since it uses less digits than its factorization.
18713084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8429 (or 8427 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 32.
The square root of 18713084 is about 4325.8622261926. The cubic root of 18713084 is about 265.4901761739.
The spelling of 18713084 in words is "eighteen million, seven hundred thirteen thousand, eighty-four".
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