Base | Representation |
---|---|
bin | 100101011001011… |
… | …010101111000111 |
3 | 1121201121020120121 |
4 | 211121122233013 |
5 | 2241104420403 |
6 | 142131442411 |
7 | 21355661062 |
oct | 4531325707 |
9 | 1551536517 |
10 | 627420103 |
11 | 2a2187012 |
12 | 156156407 |
13 | 9cca94cb |
14 | 5d4838d9 |
15 | 3a1373bd |
hex | 2565abc7 |
627420103 has 4 divisors (see below), whose sum is σ = 627502120. Its totient is φ = 627338088.
The previous prime is 627420083. The next prime is 627420107. The reversal of 627420103 is 301024726.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-627420103 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 (627420107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28200 + ... + 45277.
It is an arithmetic number, because the mean of its divisors is an integer number (156875530).
Almost surely, 2627420103 is an apocalyptic number.
627420103 is a deficient number, since it is larger than the sum of its proper divisors (82017).
627420103 is an equidigital number, since it uses as much as digits as its factorization.
627420103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82016.
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 627420103 is about 25048.3552953083. The cubic root of 627420103 is about 856.0901034618.
Adding to 627420103 its reverse (301024726), we get a palindrome (928444829).
The spelling of 627420103 in words is "six hundred twenty-seven million, four hundred twenty thousand, one hundred three".
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