Base | Representation |
---|---|
bin | 10110101011001… |
… | …10100001111110 |
3 | 111020220210010010 |
4 | 23111212201332 |
5 | 342143242342 |
6 | 30512524050 |
7 | 4466530404 |
oct | 1325464176 |
9 | 436823103 |
10 | 190212222 |
11 | 98408292 |
12 | 53850626 |
13 | 3053b215 |
14 | 1b395474 |
15 | 11a7429c |
hex | b56687e |
190212222 has 16 divisors (see below), whose sum is σ = 383792400. Its totient is φ = 62842752.
The previous prime is 190212221. The next prime is 190212229. The reversal of 190212222 is 222212091.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190212221) 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, 139597 + ... + 140952.
It is an arithmetic number, because the mean of its divisors is an integer number (23987025).
Almost surely, 2190212222 is an apocalyptic number.
190212222 is an abundant number, since it is smaller than the sum of its proper divisors (193580178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190212222 is a wasteful number, since it uses less digits than its factorization.
190212222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280667.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 190212222 is about 13791.7447047138. The cubic root of 190212222 is about 575.1036707843.
The spelling of 190212222 in words is "one hundred ninety million, two hundred twelve thousand, two hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •