Base | Representation |
---|---|
bin | 10001111010001… |
… | …01101011000011 |
3 | 101110200120012210 |
4 | 20331011223003 |
5 | 301424403442 |
6 | 22523553203 |
7 | 3502643301 |
oct | 1075055303 |
9 | 343616183 |
10 | 150231747 |
11 | 77890376 |
12 | 4238b803 |
13 | 25180533 |
14 | 15d49271 |
15 | d2c819c |
hex | 8f45ac3 |
150231747 has 4 divisors (see below), whose sum is σ = 200309000. Its totient is φ = 100154496.
The previous prime is 150231709. The next prime is 150231751. The reversal of 150231747 is 747132051.
150231747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747132051 = 3 ⋅249044017.
It is not a de Polignac number, because 150231747 - 27 = 150231619 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (150231047) 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, 25038622 + ... + 25038627.
It is an arithmetic number, because the mean of its divisors is an integer number (50077250).
Almost surely, 2150231747 is an apocalyptic number.
150231747 is a deficient number, since it is larger than the sum of its proper divisors (50077253).
150231747 is an equidigital number, since it uses as much as digits as its factorization.
150231747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50077252.
The product of its (nonzero) digits is 5880, while the sum is 30.
The square root of 150231747 is about 12256.9060941169. The cubic root of 150231747 is about 531.6027748333.
Adding to 150231747 its reverse (747132051), we get a palindrome (897363798).
The spelling of 150231747 in words is "one hundred fifty million, two hundred thirty-one thousand, seven hundred forty-seven".
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