Base | Representation |
---|---|
bin | 100010100001… |
… | …0011001010100 |
3 | 1021001110102222 |
4 | 1011002121110 |
5 | 14113111443 |
6 | 1443521512 |
7 | 306554054 |
oct | 105023124 |
9 | 37043388 |
10 | 18097748 |
11 | a241119 |
12 | 6089298 |
13 | 3998636 |
14 | 2591564 |
15 | 18c7468 |
hex | 1142654 |
18097748 has 12 divisors (see below), whose sum is σ = 31701600. Its totient is φ = 9040152.
The previous prime is 18097721. The next prime is 18097753. The reversal of 18097748 is 84779081.
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 18097699 and 18097708.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5465 + ... + 8127.
It is an arithmetic number, because the mean of its divisors is an integer number (2641800).
Almost surely, 218097748 is an apocalyptic number.
It is an amenable number.
18097748 is a deficient number, since it is larger than the sum of its proper divisors (13603852).
18097748 is a wasteful number, since it uses less digits than its factorization.
18097748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4366 (or 4364 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 44.
The square root of 18097748 is about 4254.1448024250. The cubic root of 18097748 is about 262.5476762987.
The spelling of 18097748 in words is "eighteen million, ninety-seven thousand, seven hundred forty-eight".
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