Base | Representation |
---|---|
bin | 10110110000101… |
… | …000011000011100 |
3 | 222121111211201000 |
4 | 112300220120130 |
5 | 1240223101233 |
6 | 101520150300 |
7 | 12314434521 |
oct | 2660503034 |
9 | 877454630 |
10 | 381847068 |
11 | 1865a7399 |
12 | a7a68390 |
13 | 61156b15 |
14 | 389db148 |
15 | 237c9d13 |
hex | 16c2861c |
381847068 has 96 divisors (see below), whose sum is σ = 1015560000. Its totient is φ = 124035840.
The previous prime is 381847049. The next prime is 381847097. The reversal of 381847068 is 860748183.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 981418 + ... + 981806.
It is an arithmetic number, because the mean of its divisors is an integer number (10578750).
Almost surely, 2381847068 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 381847068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507780000).
381847068 is an abundant number, since it is smaller than the sum of its proper divisors (633712932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381847068 is a wasteful number, since it uses less digits than its factorization.
381847068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 612 (or 604 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 381847068 is about 19540.9075531307. The cubic root of 381847068 is about 725.4873096381.
The spelling of 381847068 in words is "three hundred eighty-one million, eight hundred forty-seven thousand, sixty-eight".
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