Base | Representation |
---|---|
bin | 1011101000001010010 |
3 | 201100122111 |
4 | 1131001102 |
5 | 44143020 |
6 | 12055534 |
7 | 3144550 |
oct | 1350122 |
9 | 640574 |
10 | 381010 |
11 | 240293 |
12 | 1645aa |
13 | 104566 |
14 | 9cbd0 |
15 | 77d5a |
hex | 5d052 |
381010 has 16 divisors (see below), whose sum is σ = 783936. Its totient is φ = 130608.
The previous prime is 381001. The next prime is 381011. The reversal of 381010 is 10183.
It is an Ulam number.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (381011) by changing a digit.
381010 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2652 + ... + 2791.
It is an arithmetic number, because the mean of its divisors is an integer number (48996).
2381010 is an apocalyptic number.
381010 is an abundant number, since it is smaller than the sum of its proper divisors (402926).
It is a weird number, because it is abundant, but not a pseudoperfect number.
381010 is a wasteful number, since it uses less digits than its factorization.
381010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5457.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 381010 is about 617.2600748469. The cubic root of 381010 is about 72.4956794889.
Adding to 381010 its reverse (10183), we get a palindrome (391193).
The spelling of 381010 in words is "three hundred eighty-one thousand, ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •