Base | Representation |
---|---|
bin | 10110101011101… |
… | …000111110111010 |
3 | 222112001101010000 |
4 | 112223220332322 |
5 | 1234404220220 |
6 | 101432133430 |
7 | 12300345411 |
oct | 2653507672 |
9 | 875041100 |
10 | 380538810 |
11 | 185893493 |
12 | a7537276 |
13 | 60ab94c2 |
14 | 3877a478 |
15 | 2361c390 |
hex | 16ae8fba |
380538810 has 40 divisors (see below), whose sum is σ = 1023228756. Its totient is φ = 101476800.
The previous prime is 380538803. The next prime is 380538817. The reversal of 380538810 is 18835083.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (380538803) and next prime (380538817).
It can be written as a sum of positive squares in 2 ways, for example, as 350101521 + 30437289 = 18711^2 + 5517^2 .
It is a super-2 number, since 2×3805388102 = 289619571832432200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (380538817) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 234091 + ... + 235710.
Almost surely, 2380538810 is an apocalyptic number.
380538810 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
380538810 is an abundant number, since it is smaller than the sum of its proper divisors (642689946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380538810 is a wasteful number, since it uses less digits than its factorization.
380538810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469820 (or 469811 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 380538810 is about 19507.4039790024. The cubic root of 380538810 is about 724.6578234677.
The spelling of 380538810 in words is "three hundred eighty million, five hundred thirty-eight thousand, eight hundred ten".
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