Base | Representation |
---|---|
bin | 10110101110100… |
… | …01010101110001 |
3 | 111021202000020111 |
4 | 23113101111301 |
5 | 342301242323 |
6 | 30530141321 |
7 | 4503332032 |
oct | 1327212561 |
9 | 437660214 |
10 | 190649713 |
11 | 98686a51 |
12 | 53a21841 |
13 | 306623a7 |
14 | 1b46aa89 |
15 | 11b0dc0d |
hex | b5d1571 |
190649713 has 12 divisors (see below), whose sum is σ = 207184068. Its totient is φ = 174723840.
The previous prime is 190649707. The next prime is 190649729. The reversal of 190649713 is 317946091.
It can be written as a sum of positive squares in 2 ways, for example, as 70023424 + 120626289 = 8368^2 + 10983^2 .
It is not a de Polignac number, because 190649713 - 217 = 190518641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (190649113) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364270 + ... + 364792.
It is an arithmetic number, because the mean of its divisors is an integer number (17265339).
Almost surely, 2190649713 is an apocalyptic number.
It is an amenable number.
190649713 is a deficient number, since it is larger than the sum of its proper divisors (16534355).
190649713 is an frugal number, since it uses more digits than its factorization.
190649713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1104 (or 581 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 40.
The square root of 190649713 is about 13807.5962064365. The cubic root of 190649713 is about 575.5442489043.
The spelling of 190649713 in words is "one hundred ninety million, six hundred forty-nine thousand, seven hundred thirteen".
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