Base | Representation |
---|---|
bin | 10111001010110… |
… | …00011100001000 |
3 | 111112200221110000 |
4 | 23211120130020 |
5 | 344223130213 |
6 | 31141323000 |
7 | 4546636413 |
oct | 1345303410 |
9 | 445627400 |
10 | 194348808 |
11 | 9a783155 |
12 | 55106460 |
13 | 31358cc4 |
14 | 1bb50b7a |
15 | 120dec73 |
hex | b958708 |
194348808 has 80 divisors (see below), whose sum is σ = 549640080. Its totient is φ = 64154592.
The previous prime is 194348789. The next prime is 194348809. The reversal of 194348808 is 808843491.
It is a zygodrome in base 3.
It is not an unprimeable number, because it can be changed into a prime (194348809) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67935 + ... + 70737.
It is an arithmetic number, because the mean of its divisors is an integer number (6870501).
Almost surely, 2194348808 is an apocalyptic number.
194348808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 194348808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274820040).
194348808 is an abundant number, since it is smaller than the sum of its proper divisors (355291272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
194348808 is a wasteful number, since it uses less digits than its factorization.
194348808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2928 (or 2915 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The square root of 194348808 is about 13940.9041313682. The cubic root of 194348808 is about 579.2427771917.
The spelling of 194348808 in words is "one hundred ninety-four million, three hundred forty-eight thousand, eight hundred eight".
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