Base | Representation |
---|---|
bin | 10110101010100… |
… | …011010010000000 |
3 | 222111111212111000 |
4 | 112222203102000 |
5 | 1234321101222 |
6 | 101422052000 |
7 | 12265046145 |
oct | 2652432200 |
9 | 874455430 |
10 | 380253312 |
11 | 185708a3a |
12 | a741a000 |
13 | 60a1957a |
14 | 387043cc |
15 | 235b29ac |
hex | 16aa3480 |
380253312 has 128 divisors (see below), whose sum is σ = 1146643200. Its totient is φ = 124001280.
The previous prime is 380253287. The next prime is 380253373. The reversal of 380253312 is 213352083.
380253312 is a `hidden beast` number, since 380 + 253 + 31 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161262 + ... + 163602.
It is an arithmetic number, because the mean of its divisors is an integer number (8958150).
Almost surely, 2380253312 is an apocalyptic number.
380253312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 380253312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573321600).
380253312 is an abundant number, since it is smaller than the sum of its proper divisors (766389888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380253312 is a wasteful number, since it uses less digits than its factorization.
380253312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2411 (or 2393 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 380253312 is about 19500.0849228920. The cubic root of 380253312 is about 724.4765540724.
The spelling of 380253312 in words is "three hundred eighty million, two hundred fifty-three thousand, three hundred twelve".
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