Base | Representation |
---|---|
bin | 100010001100… |
… | …1011110001010 |
3 | 1020201221111121 |
4 | 1010121132022 |
5 | 14042230442 |
6 | 1440145454 |
7 | 305255260 |
oct | 104313612 |
9 | 36657447 |
10 | 17930122 |
11 | a137191 |
12 | 600828a |
13 | 393a252 |
14 | 254a430 |
15 | 1892967 |
hex | 111978a |
17930122 has 16 divisors (see below), whose sum is σ = 30925440. Its totient is φ = 7637328.
The previous prime is 17930117. The next prime is 17930123. The reversal of 17930122 is 22103971.
It is not an unprimeable number, because it can be changed into a prime (17930123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497 + ... + 6172.
It is an arithmetic number, because the mean of its divisors is an integer number (1932840).
Almost surely, 217930122 is an apocalyptic number.
17930122 is a deficient number, since it is larger than the sum of its proper divisors (12995318).
17930122 is a wasteful number, since it uses less digits than its factorization.
17930122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7845.
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 17930122 is about 4234.3974778001. The cubic root of 17930122 is about 261.7345659776.
Subtracting 17930122 from its reverse (22103971), we obtain a square (4173849 = 20432).
The spelling of 17930122 in words is "seventeen million, nine hundred thirty thousand, one hundred twenty-two".
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