Base | Representation |
---|---|
bin | 10111001010001… |
… | …01100110000000 |
3 | 111112120000120001 |
4 | 23211011212000 |
5 | 344213142431 |
6 | 31135525344 |
7 | 4546165360 |
oct | 1345054600 |
9 | 445500501 |
10 | 194271616 |
11 | 9a730160 |
12 | 55089854 |
13 | 3132cb26 |
14 | 1bb309a0 |
15 | 120c6e61 |
hex | b945980 |
194271616 has 128 divisors (see below), whose sum is σ = 504092160. Its totient is φ = 72314880.
The previous prime is 194271611. The next prime is 194271629. The reversal of 194271616 is 616172491.
194271616 is a nontrivial binomial coefficient, being equal to C(19712, 2).
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (194271611) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226260 + ... + 227116.
It is an arithmetic number, because the mean of its divisors is an integer number (3938220).
Almost surely, 2194271616 is an apocalyptic number.
194271616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
194271616 is the 19711-st triangular number and also the 9856-th hexagonal number.
194271616 is the 6571-st centered nonagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 194271616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252046080).
194271616 is an abundant number, since it is smaller than the sum of its proper divisors (309820544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
194271616 is a wasteful number, since it uses less digits than its factorization.
194271616 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 912 (or 900 counting only the distinct ones).
The product of its digits is 18144, while the sum is 37.
The square root of 194271616 is about 13938.1353128745. The cubic root of 194271616 is about 579.1660786174.
The spelling of 194271616 in words is "one hundred ninety-four million, two hundred seventy-one thousand, six hundred sixteen".
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