Base | Representation |
---|---|
bin | 11110011010101… |
… | …00001011001000 |
3 | 122210002220021111 |
4 | 33031110023020 |
5 | 1010304224434 |
6 | 41152420104 |
7 | 6215504614 |
oct | 1715241310 |
9 | 583086244 |
10 | 255148744 |
11 | 121030034 |
12 | 71547634 |
13 | 40b260b6 |
14 | 25c5a344 |
15 | 175ee964 |
hex | f3542c8 |
255148744 has 24 divisors (see below), whose sum is σ = 491704290. Its totient is φ = 124121088.
The previous prime is 255148741. The next prime is 255148763. The reversal of 255148744 is 447841552.
It can be written as a sum of positive squares in 3 ways, for example, as 248062500 + 7086244 = 15750^2 + 2662^2 .
It is a junction number, because it is equal to n+sod(n) for n = 255148697 and 255148706.
It is not an unprimeable number, because it can be changed into a prime (255148741) 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 5 ways as a sum of consecutive naturals, for example, 697 + ... + 22600.
Almost surely, 2255148744 is an apocalyptic number.
It is an amenable number.
255148744 is a deficient number, since it is larger than the sum of its proper divisors (236555546).
255148744 is a wasteful number, since it uses less digits than its factorization.
255148744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23377 (or 23336 counting only the distinct ones).
The product of its digits is 179200, while the sum is 40.
The square root of 255148744 is about 15973.3760989967. The cubic root of 255148744 is about 634.2558451543.
The spelling of 255148744 in words is "two hundred fifty-five million, one hundred forty-eight thousand, seven hundred forty-four".
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