Base | Representation |
---|---|
bin | 10111001010111… |
… | …01010101110000 |
3 | 111112201221222102 |
4 | 23211131111300 |
5 | 344224301010 |
6 | 31141555532 |
7 | 4550052056 |
oct | 1345352560 |
9 | 445657872 |
10 | 194368880 |
11 | 9a797242 |
12 | 55115ba8 |
13 | 31365194 |
14 | 1bb581d6 |
15 | 120e5ba5 |
hex | b95d570 |
194368880 has 40 divisors (see below), whose sum is σ = 457002000. Its totient is φ = 76871168.
The previous prime is 194368873. The next prime is 194368903. The reversal of 194368880 is 88863491.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-3 number, since 3×1943688803 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6530 + ... + 20769.
It is an arithmetic number, because the mean of its divisors is an integer number (11425050).
Almost surely, 2194368880 is an apocalyptic number.
194368880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
194368880 is an abundant number, since it is smaller than the sum of its proper divisors (262633120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
194368880 is a wasteful number, since it uses less digits than its factorization.
194368880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27401 (or 27395 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 47.
The square root of 194368880 is about 13941.6240087014. The cubic root of 194368880 is about 579.2627175606.
The spelling of 194368880 in words is "one hundred ninety-four million, three hundred sixty-eight thousand, eight hundred eighty".
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