Base | Representation |
---|---|
bin | 10110100111110… |
… | …101001011010101 |
3 | 222110011122020202 |
4 | 112213311023111 |
5 | 1234130241211 |
6 | 101354510245 |
7 | 12256016066 |
oct | 2647651325 |
9 | 873148222 |
10 | 379540181 |
11 | 185271179 |
12 | a7135385 |
13 | 60829ab7 |
14 | 3859a56d |
15 | 234c153b |
hex | 169f52d5 |
379540181 has 32 divisors (see below), whose sum is σ = 451215360. Its totient is φ = 316521216.
The previous prime is 379540169. The next prime is 379540199. The reversal of 379540181 is 181045973.
It is a de Polignac number, because none of the positive numbers 2k-379540181 is a prime.
It is a super-2 number, since 2×3795401812 = 288101497987025522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (379540151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348620 + ... + 349706.
It is an arithmetic number, because the mean of its divisors is an integer number (14100480).
Almost surely, 2379540181 is an apocalyptic number.
It is an amenable number.
379540181 is a deficient number, since it is larger than the sum of its proper divisors (71675179).
379540181 is a wasteful number, since it uses less digits than its factorization.
379540181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1193.
The product of its (nonzero) digits is 30240, while the sum is 38.
The square root of 379540181 is about 19481.7910110955. The cubic root of 379540181 is about 724.0233737099.
The spelling of 379540181 in words is "three hundred seventy-nine million, five hundred forty thousand, one hundred eighty-one".
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