Base | Representation |
---|---|
bin | 10110101110101… |
… | …000101110100011 |
3 | 222120112021110100 |
4 | 112232220232203 |
5 | 1240104333240 |
6 | 101501033443 |
7 | 12310126230 |
oct | 2656505643 |
9 | 876467410 |
10 | 381324195 |
11 | 18627a56a |
12 | a7855883 |
13 | 61002b25 |
14 | 38902787 |
15 | 23724e30 |
hex | 16ba8ba3 |
381324195 has 48 divisors (see below), whose sum is σ = 799830720. Its totient is φ = 164063232.
The previous prime is 381324193. The next prime is 381324221. The reversal of 381324195 is 591423183.
It is not a de Polignac number, because 381324195 - 21 = 381324193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (381324191) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30250 + ... + 40959.
It is an arithmetic number, because the mean of its divisors is an integer number (16663140).
Almost surely, 2381324195 is an apocalyptic number.
381324195 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
381324195 is an abundant number, since it is smaller than the sum of its proper divisors (418506525).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381324195 is a wasteful number, since it uses less digits than its factorization.
381324195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71244 (or 71241 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 381324195 is about 19527.5240366002. The cubic root of 381324195 is about 725.1560155718.
The spelling of 381324195 in words is "three hundred eighty-one million, three hundred twenty-four thousand, one hundred ninety-five".
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