Base | Representation |
---|---|
bin | 10110101010001… |
… | …11011110001101 |
3 | 111020200022121101 |
4 | 23111013132031 |
5 | 342130210010 |
6 | 30510103101 |
7 | 4465460455 |
oct | 1325073615 |
9 | 436608541 |
10 | 190085005 |
11 | 98330750 |
12 | 537aaa91 |
13 | 304c5346 |
14 | 1b360d65 |
15 | 11a4b73a |
hex | b54778d |
190085005 has 8 divisors (see below), whose sum is σ = 248838624. Its totient is φ = 138243600.
The previous prime is 190085003. The next prime is 190085009. The reversal of 190085005 is 500580091.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 190085005 - 21 = 190085003 is a prime.
It is a super-2 number, since 2×1900850052 = 72264618251700050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190085003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727991 + ... + 1728100.
It is an arithmetic number, because the mean of its divisors is an integer number (31104828).
Almost surely, 2190085005 is an apocalyptic number.
It is an amenable number.
190085005 is a deficient number, since it is larger than the sum of its proper divisors (58753619).
190085005 is a wasteful number, since it uses less digits than its factorization.
190085005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3456107.
The product of its (nonzero) digits is 1800, while the sum is 28.
The square root of 190085005 is about 13787.1318627189. The cubic root of 190085005 is about 574.9754293218.
The spelling of 190085005 in words is "one hundred ninety million, eighty-five thousand, five".
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