Base | Representation |
---|---|
bin | 10110110000100… |
… | …101011110101110 |
3 | 222121111020101210 |
4 | 112300211132232 |
5 | 1240222211212 |
6 | 101520015250 |
7 | 12314355051 |
oct | 2660453656 |
9 | 877436353 |
10 | 381835182 |
11 | 186599473 |
12 | a7a61526 |
13 | 611515a1 |
14 | 389d6a98 |
15 | 237c653c |
hex | 16c257ae |
381835182 has 16 divisors (see below), whose sum is σ = 764140752. Its totient is φ = 127200000.
The previous prime is 381835151. The next prime is 381835183. The reversal of 381835182 is 281538183.
It is a self number, because there is not a number n which added to its sum of digits gives 381835182.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381835183) 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, 8569 + ... + 28932.
It is an arithmetic number, because the mean of its divisors is an integer number (47758797).
Almost surely, 2381835182 is an apocalyptic number.
381835182 is an abundant number, since it is smaller than the sum of its proper divisors (382305570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381835182 is a wasteful number, since it uses less digits than its factorization.
381835182 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39203.
The product of its digits is 46080, while the sum is 39.
The square root of 381835182 is about 19540.6034195467. The cubic root of 381835182 is about 725.4797819895.
It can be divided in two parts, 38183 and 5182, that added together give a triangular number (43365 = T294).
The spelling of 381835182 in words is "three hundred eighty-one million, eight hundred thirty-five thousand, one hundred eighty-two".
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