Base | Representation |
---|---|
bin | 10110100010000… |
… | …10110001100110 |
3 | 111011200001211200 |
4 | 23101002301212 |
5 | 341342022230 |
6 | 30431143330 |
7 | 4453422345 |
oct | 1321026146 |
9 | 434601750 |
10 | 189017190 |
11 | 9777145a |
12 | 53374b46 |
13 | 302102bb |
14 | 1b163b5c |
15 | 118da160 |
hex | b442c66 |
189017190 has 24 divisors (see below), whose sum is σ = 491444928. Its totient is φ = 50404560.
The previous prime is 189017173. The next prime is 189017209. The reversal of 189017190 is 91710981.
It is a super-3 number, since 3×1890171903 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1050006 + ... + 1050185.
It is an arithmetic number, because the mean of its divisors is an integer number (20476872).
Almost surely, 2189017190 is an apocalyptic number.
189017190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
189017190 is an abundant number, since it is smaller than the sum of its proper divisors (302427738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189017190 is a wasteful number, since it uses less digits than its factorization.
189017190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2100204 (or 2100201 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 36.
The square root of 189017190 is about 13748.3522649080. The cubic root of 189017190 is about 573.8967528688.
The spelling of 189017190 in words is "one hundred eighty-nine million, seventeen thousand, one hundred ninety".
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