Base | Representation |
---|---|
bin | 10110101110101… |
… | …011110111101111 |
3 | 222120112221010020 |
4 | 112232223313233 |
5 | 1240110241241 |
6 | 101501213223 |
7 | 12310211613 |
oct | 2656536757 |
9 | 876487106 |
10 | 381337071 |
11 | 186289205 |
12 | a7861213 |
13 | 6100894b |
14 | 38907343 |
15 | 23728b66 |
hex | 16babdef |
381337071 has 8 divisors (see below), whose sum is σ = 509495424. Its totient is φ = 253701720.
The previous prime is 381337057. The next prime is 381337127. The reversal of 381337071 is 170733183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 381337071 - 210 = 381336047 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381337051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129045 + ... + 131966.
It is an arithmetic number, because the mean of its divisors is an integer number (63686928).
Almost surely, 2381337071 is an apocalyptic number.
381337071 is a deficient number, since it is larger than the sum of its proper divisors (128158353).
381337071 is a wasteful number, since it uses less digits than its factorization.
381337071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 261501.
The product of its (nonzero) digits is 10584, while the sum is 33.
The square root of 381337071 is about 19527.8537223116. The cubic root of 381337071 is about 725.1641774840.
The spelling of 381337071 in words is "three hundred eighty-one million, three hundred thirty-seven thousand, seventy-one".
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