Base | Representation |
---|---|
bin | 100101011001011… |
… | …010101110101101 |
3 | 1121201121020112122 |
4 | 211121122232231 |
5 | 2241104420302 |
6 | 142131442325 |
7 | 21355661024 |
oct | 4531325655 |
9 | 1551536478 |
10 | 627420077 |
11 | 2a2186a99 |
12 | 1561563a5 |
13 | 9cca94ab |
14 | 5d4838bb |
15 | 3a1373a2 |
hex | 2565abad |
627420077 has 8 divisors (see below), whose sum is σ = 632367000. Its totient is φ = 622483264.
The previous prime is 627420049. The next prime is 627420083. The reversal of 627420077 is 770024726.
It can be written as a sum of positive squares in 4 ways, for example, as 138744841 + 488675236 = 11779^2 + 22106^2 .
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 627420077 - 212 = 627415981 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 (627420977) 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 7 ways as a sum of consecutive naturals, for example, 163343 + ... + 167139.
It is an arithmetic number, because the mean of its divisors is an integer number (79045875).
Almost surely, 2627420077 is an apocalyptic number.
It is an amenable number.
627420077 is a deficient number, since it is larger than the sum of its proper divisors (4946923).
627420077 is a wasteful number, since it uses less digits than its factorization.
627420077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5055.
The product of its (nonzero) digits is 32928, while the sum is 35.
The square root of 627420077 is about 25048.3547763122. The cubic root of 627420077 is about 856.0900916365.
The spelling of 627420077 in words is "six hundred twenty-seven million, four hundred twenty thousand, seventy-seven".
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