Base | Representation |
---|---|
bin | 101110010101111… |
… | …1110111110111101 |
3 | 11000101001220200112 |
4 | 1130223332332331 |
5 | 11141042042140 |
6 | 414145435405 |
7 | 53351366645 |
oct | 13453767675 |
9 | 4011056615 |
10 | 1555034045 |
11 | 72885a104 |
12 | 37493bb65 |
13 | 1ba220ab6 |
14 | 10a74b525 |
15 | 917bac65 |
hex | 5cafefbd |
1555034045 has 8 divisors (see below), whose sum is σ = 1901249496. Its totient is φ = 1220554816.
The previous prime is 1555034023. The next prime is 1555034083. The reversal of 1555034045 is 5404305551.
It can be written as a sum of positive squares in 4 ways, for example, as 625150009 + 929884036 = 25003^2 + 30494^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1555034045 - 28 = 1555033789 is a prime.
It is a super-2 number, since 2×15550340452 = 4836261762218124050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933762 + ... + 2934291.
It is an arithmetic number, because the mean of its divisors is an integer number (237656187).
Almost surely, 21555034045 is an apocalyptic number.
It is an amenable number.
1555034045 is a deficient number, since it is larger than the sum of its proper divisors (346215451).
1555034045 is an equidigital number, since it uses as much as digits as its factorization.
1555034045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5868111.
The product of its (nonzero) digits is 30000, while the sum is 32.
The square root of 1555034045 is about 39433.9199801389. The cubic root of 1555034045 is about 1158.5460492093.
Adding to 1555034045 its reverse (5404305551), we get a palindrome (6959339596).
The spelling of 1555034045 in words is "one billion, five hundred fifty-five million, thirty-four thousand, forty-five".
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