Base | Representation |
---|---|
bin | 100010001100… |
… | …1011110010001 |
3 | 1020201221111212 |
4 | 1010121132101 |
5 | 14042231004 |
6 | 1440145505 |
7 | 305255300 |
oct | 104313621 |
9 | 36657455 |
10 | 17930129 |
11 | a137198 |
12 | 6008295 |
13 | 393a259 |
14 | 254a437 |
15 | 189296e |
hex | 1119791 |
17930129 has 12 divisors (see below), whose sum is σ = 21956400. Its totient is φ = 14559048.
The previous prime is 17930123. The next prime is 17930131. The reversal of 17930129 is 92103971.
It is a happy number.
It is not a de Polignac number, because 17930129 - 216 = 17864593 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 17930095 and 17930104.
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 11 ways as a sum of consecutive naturals, for example, 8699 + ... + 10560.
It is an arithmetic number, because the mean of its divisors is an integer number (1829700).
Almost surely, 217930129 is an apocalyptic number.
17930129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
17930129 is a deficient number, since it is larger than the sum of its proper divisors (4026271).
17930129 is a wasteful number, since it uses less digits than its factorization.
17930129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19292 (or 19285 counting only the distinct ones).
The product of its (nonzero) digits is 3402, while the sum is 32.
The square root of 17930129 is about 4234.3983043639. The cubic root of 17930129 is about 261.7346000384.
The spelling of 17930129 in words is "seventeen million, nine hundred thirty thousand, one hundred twenty-nine".
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