Base | Representation |
---|---|
bin | 10110110001101… |
… | …00000110000110 |
3 | 111022111120010000 |
4 | 23120310012012 |
5 | 342402213324 |
6 | 30542542130 |
7 | 4506635241 |
oct | 1330640606 |
9 | 438446100 |
10 | 191054214 |
11 | 9893294a |
12 | 53b97946 |
13 | 30774540 |
14 | 1b534258 |
15 | 11b8d9c9 |
hex | b634186 |
191054214 has 80 divisors (see below), whose sum is σ = 467015472. Its totient is φ = 58024512.
The previous prime is 191054189. The next prime is 191054231. The reversal of 191054214 is 412450191.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 174252 + ... + 175344.
Almost surely, 2191054214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 191054214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233507736).
191054214 is an abundant number, since it is smaller than the sum of its proper divisors (275961258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
191054214 is a wasteful number, since it uses less digits than its factorization.
191054214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1203 (or 1194 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 191054214 is about 13822.2362156056. The cubic root of 191054214 is about 575.9510049471.
The spelling of 191054214 in words is "one hundred ninety-one million, fifty-four thousand, two hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •