Base | Representation |
---|---|
bin | 10111011111100… |
… | …00010011011000 |
3 | 111201211002110112 |
4 | 23233300103120 |
5 | 400422133432 |
6 | 31315503452 |
7 | 4612023152 |
oct | 1357602330 |
9 | 451732415 |
10 | 197067992 |
11 | a1270110 |
12 | 55bb7b88 |
13 | 31a9b8a4 |
14 | 1c25bad2 |
15 | 1247a7b2 |
hex | bbf04d8 |
197067992 has 128 divisors (see below), whose sum is σ = 447897600. Its totient is φ = 80371200.
The previous prime is 197067989. The next prime is 197068009. The reversal of 197067992 is 299760791.
It is a self number, because there is not a number n which added to its sum of digits gives 197067992.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3718238 + ... + 3718290.
It is an arithmetic number, because the mean of its divisors is an integer number (3499200).
Almost surely, 2197067992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 197067992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223948800).
197067992 is an abundant number, since it is smaller than the sum of its proper divisors (250829608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197067992 is a wasteful number, since it uses less digits than its factorization.
197067992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177 (or 173 counting only the distinct ones).
The product of its (nonzero) digits is 428652, while the sum is 50.
The square root of 197067992 is about 14038.0907533753. The cubic root of 197067992 is about 581.9317200830.
The spelling of 197067992 in words is "one hundred ninety-seven million, sixty-seven thousand, nine hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •