Base | Representation |
---|---|
bin | 10110100101101… |
… | …00010001111011 |
3 | 111012112200120211 |
4 | 23102310101323 |
5 | 342001411412 |
6 | 30445131551 |
7 | 4460366653 |
oct | 1322642173 |
9 | 435480524 |
10 | 189482107 |
11 | 97a59791 |
12 | 53559bb7 |
13 | 30343ab9 |
14 | 1b245363 |
15 | 1197cca7 |
hex | b4b447b |
189482107 has 4 divisors (see below), whose sum is σ = 189516520. Its totient is φ = 189447696.
The previous prime is 189482101. The next prime is 189482147. The reversal of 189482107 is 701284981.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701284981 = 1091 ⋅642791.
It is a 4-Lehmer number, since φ(189482107) divides (189482107-1)4.
It is a cyclic number.
It is not a de Polignac number, because 189482107 - 219 = 188957819 is a prime.
It is a deceptive number, since it divides R189482106.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 189482107.
It is not an unprimeable number, because it can be changed into a prime (189482101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6882 + ... + 20647.
It is an arithmetic number, because the mean of its divisors is an integer number (47379130).
Almost surely, 2189482107 is an apocalyptic number.
189482107 is the 6883-rd decagonal number.
189482107 is a deficient number, since it is larger than the sum of its proper divisors (34413).
189482107 is an equidigital number, since it uses as much as digits as its factorization.
189482107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34412.
The product of its (nonzero) digits is 32256, while the sum is 40.
The square root of 189482107 is about 13765.2499795681. The cubic root of 189482107 is about 574.3668968771.
The spelling of 189482107 in words is "one hundred eighty-nine million, four hundred eighty-two thousand, one hundred seven".
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