Base | Representation |
---|---|
bin | 100010100001… |
… | …1101101111010 |
3 | 1021001201212111 |
4 | 1011003231322 |
5 | 14113300122 |
6 | 1444002534 |
7 | 306605620 |
oct | 105035572 |
9 | 37051774 |
10 | 18103162 |
11 | a2451a0 |
12 | 609044a |
13 | 399ac3c |
14 | 2593510 |
15 | 18c8d77 |
hex | 1143b7a |
18103162 has 64 divisors (see below), whose sum is σ = 37324800. Its totient is φ = 6367680.
The previous prime is 18103159. The next prime is 18103193. The reversal of 18103162 is 26130181.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67164 + ... + 67432.
It is an arithmetic number, because the mean of its divisors is an integer number (583200).
Almost surely, 218103162 is an apocalyptic number.
18103162 is an abundant number, since it is smaller than the sum of its proper divisors (19221638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18103162 is a wasteful number, since it uses less digits than its factorization.
18103162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 18103162 is about 4254.7810754491. The cubic root of 18103162 is about 262.5738543514.
The spelling of 18103162 in words is "eighteen million, one hundred three thousand, one hundred sixty-two".
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