Base | Representation |
---|---|
bin | 10111001001001… |
… | …000101111100010 |
3 | 1000001121012210011 |
4 | 113021020233202 |
5 | 1243344133244 |
6 | 102305555134 |
7 | 12423151432 |
oct | 2711105742 |
9 | 1001535704 |
10 | 388271074 |
11 | 18a194894 |
12 | aa045aaa |
13 | 62595ac9 |
14 | 397d02c2 |
15 | 24148434 |
hex | 17248be2 |
388271074 has 4 divisors (see below), whose sum is σ = 582406614. Its totient is φ = 194135536.
The previous prime is 388271069. The next prime is 388271087. The reversal of 388271074 is 470172883.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 331494849 + 56776225 = 18207^2 + 7535^2 .
It is a super-2 number, since 2×3882710742 = 301508853810226952, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97067767 + ... + 97067770.
Almost surely, 2388271074 is an apocalyptic number.
388271074 is a deficient number, since it is larger than the sum of its proper divisors (194135540).
388271074 is a wasteful number, since it uses less digits than its factorization.
388271074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194135539.
The product of its (nonzero) digits is 75264, while the sum is 40.
The square root of 388271074 is about 19704.5952508546. The cubic root of 388271074 is about 729.5331186148.
The spelling of 388271074 in words is "three hundred eighty-eight million, two hundred seventy-one thousand, seventy-four".
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