Base | Representation |
---|---|
bin | 11110010101101… |
… | …10010010000100 |
3 | 122201220001010202 |
4 | 33022312102010 |
5 | 1010123031040 |
6 | 41130510032 |
7 | 6210142253 |
oct | 1712662204 |
9 | 581801122 |
10 | 254502020 |
11 | 120729153 |
12 | 71295318 |
13 | 4095a916 |
14 | 25b2c79a |
15 | 17523015 |
hex | f2b6484 |
254502020 has 12 divisors (see below), whose sum is σ = 534454284. Its totient is φ = 101800800.
The previous prime is 254502007. The next prime is 254502037. The reversal of 254502020 is 20205452.
It can be written as a sum of positive squares in 2 ways, for example, as 196224064 + 58277956 = 14008^2 + 7634^2 .
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 12725101 = 254502020 / (2 + 5 + 4 + 5 + 0 + 2 + 0 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 254501983 and 254502001.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 6362531 + ... + 6362570.
It is an arithmetic number, because the mean of its divisors is an integer number (44537857).
Almost surely, 2254502020 is an apocalyptic number.
254502020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
254502020 is an abundant number, since it is smaller than the sum of its proper divisors (279952264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254502020 is a wasteful number, since it uses less digits than its factorization.
254502020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12725110 (or 12725108 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 20.
The square root of 254502020 is about 15953.1194441714. The cubic root of 254502020 is about 633.7195102475.
Adding to 254502020 its reverse (20205452), we get a palindrome (274707472).
The spelling of 254502020 in words is "two hundred fifty-four million, five hundred two thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.941 sec. • engine limits •