Base | Representation |
---|---|
bin | 10110110010101… |
… | …010110010101110 |
3 | 222122111222102210 |
4 | 112302222302232 |
5 | 1240342144410 |
6 | 101535431250 |
7 | 12322121040 |
oct | 2662526256 |
9 | 878458383 |
10 | 382381230 |
11 | 186931750 |
12 | a8085526 |
13 | 612b2caa |
14 | 38ad9a90 |
15 | 23883220 |
hex | 16caacae |
382381230 has 64 divisors (see below), whose sum is σ = 1144171008. Its totient is φ = 79455360.
The previous prime is 382381201. The next prime is 382381243. The reversal of 382381230 is 32183283.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 80457 + ... + 85076.
It is an arithmetic number, because the mean of its divisors is an integer number (17877672).
Almost surely, 2382381230 is an apocalyptic number.
382381230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
382381230 is an abundant number, since it is smaller than the sum of its proper divisors (761789778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
382381230 is a wasteful number, since it uses less digits than its factorization.
382381230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165561.
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 382381230 is about 19554.5705654714. The cubic root of 382381230 is about 725.8254443017.
The spelling of 382381230 in words is "three hundred eighty-two million, three hundred eighty-one thousand, two hundred thirty".
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