Base | Representation |
---|---|
bin | 10111010000111… |
… | …10101100101110 |
3 | 111121020012101200 |
4 | 23220132230232 |
5 | 344430122003 |
6 | 31210550330 |
7 | 4556561103 |
oct | 1350365456 |
9 | 447205350 |
10 | 195160878 |
11 | a0188290 |
12 | 554383a6 |
13 | 31581813 |
14 | 1bcc2aaa |
15 | 122006a3 |
hex | ba1eb2e |
195160878 has 48 divisors (see below), whose sum is σ = 464196096. Its totient is φ = 58767120.
The previous prime is 195160859. The next prime is 195160879. The reversal of 195160878 is 878061591.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (195160879) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29251 + ... + 35297.
It is an arithmetic number, because the mean of its divisors is an integer number (9670752).
Almost surely, 2195160878 is an apocalyptic number.
195160878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 195160878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232098048).
195160878 is an abundant number, since it is smaller than the sum of its proper divisors (269035218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
195160878 is a wasteful number, since it uses less digits than its factorization.
195160878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6229 (or 6226 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 45.
The square root of 195160878 is about 13969.9992125984. Note that the first 3 decimals coincide. The cubic root of 195160878 is about 580.0484283780.
The spelling of 195160878 in words is "one hundred ninety-five million, one hundred sixty thousand, eight hundred seventy-eight".
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