Base | Representation |
---|---|
bin | 10110101010110… |
… | …010010110010000 |
3 | 222111122000010122 |
4 | 112222302112100 |
5 | 1234330040044 |
6 | 101423245412 |
7 | 12265424105 |
oct | 2652622620 |
9 | 874560118 |
10 | 380315024 |
11 | 185750341 |
12 | a7449868 |
13 | 60a3b69b |
14 | 3871caac |
15 | 235c5dee |
hex | 16ab2590 |
380315024 has 20 divisors (see below), whose sum is σ = 780205644. Its totient is φ = 178971648.
The previous prime is 380315021. The next prime is 380315029. The reversal of 380315024 is 420513083.
It can be written as a sum of positive squares in 2 ways, for example, as 244359424 + 135955600 = 15632^2 + 11660^2 .
It is a junction number, because it is equal to n+sod(n) for n = 380314984 and 380315002.
It is not an unprimeable number, because it can be changed into a prime (380315021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698837 + ... + 699380.
Almost surely, 2380315024 is an apocalyptic number.
380315024 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
380315024 is an abundant number, since it is smaller than the sum of its proper divisors (399890620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380315024 is a wasteful number, since it uses less digits than its factorization.
380315024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1398242 (or 1398236 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 380315024 is about 19501.6672107797. The cubic root of 380315024 is about 724.5157441573.
The spelling of 380315024 in words is "three hundred eighty million, three hundred fifteen thousand, twenty-four".
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