Base | Representation |
---|---|
bin | 10111001101110… |
… | …111101101111111 |
3 | 1000010221021002201 |
4 | 113031313231333 |
5 | 1244203341223 |
6 | 102352332331 |
7 | 12436540453 |
oct | 2715675577 |
9 | 1003837081 |
10 | 389512063 |
11 | 18a9621a6 |
12 | aa5440a7 |
13 | 6290b915 |
14 | 39a34663 |
15 | 242e0ead |
hex | 17377b7f |
389512063 has 4 divisors (see below), whose sum is σ = 389635128. Its totient is φ = 389389000.
The previous prime is 389512051. The next prime is 389512069. The reversal of 389512063 is 360215983.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 389512063 - 25 = 389512031 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389512069) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56656 + ... + 63157.
It is an arithmetic number, because the mean of its divisors is an integer number (97408782).
Almost surely, 2389512063 is an apocalyptic number.
389512063 is a deficient number, since it is larger than the sum of its proper divisors (123065).
389512063 is a wasteful number, since it uses less digits than its factorization.
389512063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123064.
The product of its (nonzero) digits is 38880, while the sum is 37.
The square root of 389512063 is about 19736.0599664675. The cubic root of 389512063 is about 730.3095347111.
It can be divided in two parts, 38951 and 2063, that added together give a palindrome (41014).
The spelling of 389512063 in words is "three hundred eighty-nine million, five hundred twelve thousand, sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •