Base | Representation |
---|---|
bin | 100000110111000… |
… | …110011100101101 |
3 | 1102102101201100011 |
4 | 200313012130231 |
5 | 2112114041440 |
6 | 130412333221 |
7 | 16443050035 |
oct | 4067063455 |
9 | 1372351304 |
10 | 551315245 |
11 | 263226338 |
12 | 134774211 |
13 | 8a2b1050 |
14 | 533128c5 |
15 | 336029ea |
hex | 20dc672d |
551315245 has 8 divisors (see below), whose sum is σ = 712469016. Its totient is φ = 407125056.
The previous prime is 551315243. The next prime is 551315249. The reversal of 551315245 is 542513155.
551315245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 521284 + 550793961 = 722^2 + 23469^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 551315245 - 21 = 551315243 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 (551315243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4240822 + ... + 4240951.
It is an arithmetic number, because the mean of its divisors is an integer number (89058627).
Almost surely, 2551315245 is an apocalyptic number.
It is an amenable number.
551315245 is a deficient number, since it is larger than the sum of its proper divisors (161153771).
551315245 is a wasteful number, since it uses less digits than its factorization.
551315245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8481791.
The product of its digits is 15000, while the sum is 31.
The square root of 551315245 is about 23480.1031726864. The cubic root of 551315245 is about 819.9738465781.
The spelling of 551315245 in words is "five hundred fifty-one million, three hundred fifteen thousand, two hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •