Base | Representation |
---|---|
bin | 10111001001001… |
… | …011111010101010 |
3 | 1000001121212121122 |
4 | 113021023322222 |
5 | 1243400042244 |
6 | 102310135242 |
7 | 12423234353 |
oct | 2711137252 |
9 | 1001555548 |
10 | 388284074 |
11 | 18a1a3632 |
12 | aa051522 |
13 | 6259b9b9 |
14 | 397d4d2a |
15 | 2414c1ee |
hex | 1724beaa |
388284074 has 16 divisors (see below), whose sum is σ = 612727200. Its totient is φ = 184268784.
The previous prime is 388284073. The next prime is 388284077. The reversal of 388284074 is 470482883.
It is not an unprimeable number, because it can be changed into a prime (388284073) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53312 + ... + 60155.
It is an arithmetic number, because the mean of its divisors is an integer number (38295450).
Almost surely, 2388284074 is an apocalyptic number.
388284074 is a deficient number, since it is larger than the sum of its proper divisors (224443126).
388284074 is a wasteful number, since it uses less digits than its factorization.
388284074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113557.
The product of its (nonzero) digits is 344064, while the sum is 44.
The square root of 388284074 is about 19704.9251203855. The cubic root of 388284074 is about 729.5412605422.
The spelling of 388284074 in words is "three hundred eighty-eight million, two hundred eighty-four thousand, seventy-four".
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