Base | Representation |
---|---|
bin | 10110101010001… |
… | …00011101110001 |
3 | 111020122200201020 |
4 | 23111010131301 |
5 | 342124311224 |
6 | 30505530053 |
7 | 4465406532 |
oct | 1325043561 |
9 | 436580636 |
10 | 190072689 |
11 | 98322474 |
12 | 537a3929 |
13 | 304bc861 |
14 | 1b35a689 |
15 | 11a47c79 |
hex | b544771 |
190072689 has 8 divisors (see below), whose sum is σ = 257725920. Its totient is φ = 124567296.
The previous prime is 190072651. The next prime is 190072703. The reversal of 190072689 is 986270091.
190072689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 190072689 - 215 = 190039921 is a prime.
It is a super-3 number, since 3×1900726893 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 190072689.
It is not an unprimeable number, because it can be changed into a prime (190092689) 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, 536752 + ... + 537105.
It is an arithmetic number, because the mean of its divisors is an integer number (32215740).
Almost surely, 2190072689 is an apocalyptic number.
It is an amenable number.
190072689 is a deficient number, since it is larger than the sum of its proper divisors (67653231).
190072689 is a wasteful number, since it uses less digits than its factorization.
190072689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1073919.
The product of its (nonzero) digits is 54432, while the sum is 42.
The square root of 190072689 is about 13786.6852071120. The cubic root of 190072689 is about 574.9630111052.
The spelling of 190072689 in words is "one hundred ninety million, seventy-two thousand, six hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •