Base | Representation |
---|---|
bin | 1011101000011001010 |
3 | 201100210221 |
4 | 1131003022 |
5 | 44144010 |
6 | 12100254 |
7 | 3145111 |
oct | 1350312 |
9 | 640727 |
10 | 381130 |
11 | 240392 |
12 | 16468a |
13 | 104629 |
14 | 9cc78 |
15 | 77dda |
hex | 5d0ca |
381130 has 8 divisors (see below), whose sum is σ = 686052. Its totient is φ = 152448.
The previous prime is 381103. The next prime is 381167. The reversal of 381130 is 31183.
381130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 380689 + 441 = 617^2 + 21^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19047 + ... + 19066.
2381130 is an apocalyptic number.
381130 is a deficient number, since it is larger than the sum of its proper divisors (304922).
381130 is a wasteful number, since it uses less digits than its factorization.
381130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38120.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 381130 is about 617.3572709542. The cubic root of 381130 is about 72.5032895852.
The spelling of 381130 in words is "three hundred eighty-one thousand, one hundred thirty".
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