Base | Representation |
---|---|
bin | 10010011111101… |
… | …00010010000000 |
3 | 101210220222210011 |
4 | 21033310102000 |
5 | 304204004443 |
6 | 23221114304 |
7 | 3562451563 |
oct | 1117642200 |
9 | 353828704 |
10 | 155141248 |
11 | 7a633a09 |
12 | 43b58994 |
13 | 261ac072 |
14 | 168664da |
15 | d947b9d |
hex | 93f4480 |
155141248 has 64 divisors (see below), whose sum is σ = 321520320. Its totient is φ = 74511360.
The previous prime is 155141237. The next prime is 155141249. The reversal of 155141248 is 842141551.
It is a tau number, because it is divible by the number of its divisors (64).
It is not an unprimeable number, because it can be changed into a prime (155141249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390586 + ... + 390982.
It is an arithmetic number, because the mean of its divisors is an integer number (5023755).
Almost surely, 2155141248 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 155141248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160760160).
155141248 is an abundant number, since it is smaller than the sum of its proper divisors (166379072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155141248 is an equidigital number, since it uses as much as digits as its factorization.
155141248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 525 (or 513 counting only the distinct ones).
The product of its digits is 6400, while the sum is 31.
The square root of 155141248 is about 12455.5709624248. The cubic root of 155141248 is about 537.3316558075.
Adding to 155141248 its reverse (842141551), we get a palindrome (997282799).
The spelling of 155141248 in words is "one hundred fifty-five million, one hundred forty-one thousand, two hundred forty-eight".
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