Base | Representation |
---|---|
bin | 10110101010100… |
… | …10100011011101 |
3 | 111020202121212120 |
4 | 23111102203131 |
5 | 342133133042 |
6 | 30511053153 |
7 | 4466040012 |
oct | 1325224335 |
9 | 436677776 |
10 | 190130397 |
11 | 98361866 |
12 | 538111b9 |
13 | 3050cbc2 |
14 | 1b373709 |
15 | 11a59dec |
hex | b5528dd |
190130397 has 48 divisors (see below), whose sum is σ = 296265600. Its totient is φ = 107864064.
The previous prime is 190130393. The next prime is 190130417. The reversal of 190130397 is 793031091.
It is not a de Polignac number, because 190130397 - 22 = 190130393 is a prime.
It is a super-2 number, since 2×1901303972 = 72299135726755218, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190130393) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423229 + ... + 423677.
It is an arithmetic number, because the mean of its divisors is an integer number (6172200).
Almost surely, 2190130397 is an apocalyptic number.
190130397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
190130397 is a deficient number, since it is larger than the sum of its proper divisors (106135203).
190130397 is a wasteful number, since it uses less digits than its factorization.
190130397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 530 (or 511 counting only the distinct ones).
The product of its (nonzero) digits is 5103, while the sum is 33.
The square root of 190130397 is about 13788.7779371487. Note that the first 3 decimals coincide. The cubic root of 190130397 is about 575.0211934217.
The spelling of 190130397 in words is "one hundred ninety million, one hundred thirty thousand, three hundred ninety-seven".
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