Base | Representation |
---|---|
bin | 10111000100110… |
… | …10000000111110 |
3 | 111111020022111221 |
4 | 23202122000332 |
5 | 344023200310 |
6 | 31112503554 |
7 | 4540210420 |
oct | 1342320076 |
9 | 444208457 |
10 | 193568830 |
11 | 9a2a0144 |
12 | 549aabba |
13 | 31144c90 |
14 | 1b9ca810 |
15 | 11ed8ada |
hex | b89a03e |
193568830 has 64 divisors (see below), whose sum is σ = 440496000. Its totient is φ = 59595264.
The previous prime is 193568801. The next prime is 193568861. The reversal of 193568830 is 38865391.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30796 + ... + 36544.
It is an arithmetic number, because the mean of its divisors is an integer number (6882750).
Almost surely, 2193568830 is an apocalyptic number.
193568830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
193568830 is an abundant number, since it is smaller than the sum of its proper divisors (246927170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193568830 is a wasteful number, since it uses less digits than its factorization.
193568830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5813.
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 193568830 is about 13912.9015665317. The cubic root of 193568830 is about 578.4668486339.
The spelling of 193568830 in words is "one hundred ninety-three million, five hundred sixty-eight thousand, eight hundred thirty".
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