Base | Representation |
---|---|
bin | 101001011000001… |
… | …0000101111011000 |
3 | 10120202111011200201 |
4 | 1102300100233120 |
5 | 10320411230232 |
6 | 345433511544 |
7 | 46256030260 |
oct | 12260205730 |
9 | 3522434621 |
10 | 1388383192 |
11 | 652784929 |
12 | 328b725b4 |
13 | 191842021 |
14 | d256a7a0 |
15 | 81d4cbe7 |
hex | 52c10bd8 |
1388383192 has 32 divisors (see below), whose sum is σ = 2995092000. Its totient is φ = 591024384.
The previous prime is 1388383187. The next prime is 1388383193. The reversal of 1388383192 is 2913838831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1388383193) 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 7 ways as a sum of consecutive naturals, for example, 74853 + ... + 91540.
It is an arithmetic number, because the mean of its divisors is an integer number (93596625).
Almost surely, 21388383192 is an apocalyptic number.
It is an amenable number.
1388383192 is an abundant number, since it is smaller than the sum of its proper divisors (1606708808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1388383192 is a wasteful number, since it uses less digits than its factorization.
1388383192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166555 (or 166551 counting only the distinct ones).
The product of its digits is 248832, while the sum is 46.
The square root of 1388383192 is about 37261.0143715922. The cubic root of 1388383192 is about 1115.5861549683.
The spelling of 1388383192 in words is "one billion, three hundred eighty-eight million, three hundred eighty-three thousand, one hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •