Base | Representation |
---|---|
bin | 10110101011000… |
… | …100011111100000 |
3 | 222111202210002020 |
4 | 112223010133200 |
5 | 1234334424334 |
6 | 101425021440 |
7 | 12266153556 |
oct | 2653043740 |
9 | 874683066 |
10 | 380389344 |
11 | 1857a1165 |
12 | a7484880 |
13 | 60a6646a |
14 | 3873bbd6 |
15 | 235dce49 |
hex | 16ac47e0 |
380389344 has 48 divisors (see below), whose sum is σ = 1030740480. Its totient is φ = 122705280.
The previous prime is 380389319. The next prime is 380389357. The reversal of 380389344 is 443983083.
It is a tau number, because it is divible by the number of its divisors (48).
It is a junction number, because it is equal to n+sod(n) for n = 380389296 and 380389305.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60934 + ... + 66885.
It is an arithmetic number, because the mean of its divisors is an integer number (21473760).
Almost surely, 2380389344 is an apocalyptic number.
It is an amenable number.
380389344 is an abundant number, since it is smaller than the sum of its proper divisors (650351136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380389344 is a wasteful number, since it uses less digits than its factorization.
380389344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127863 (or 127855 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 42.
The square root of 380389344 is about 19503.5725958092. The cubic root of 380389344 is about 724.5629353011.
The spelling of 380389344 in words is "three hundred eighty million, three hundred eighty-nine thousand, three hundred forty-four".
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