Base | Representation |
---|---|
bin | 100101010111111… |
… | …110001010010001 |
3 | 1121200212222102112 |
4 | 211113332022101 |
5 | 2241010302123 |
6 | 142115355105 |
7 | 21352521422 |
oct | 4527761221 |
9 | 1550788375 |
10 | 627040913 |
11 | 2a1a48134 |
12 | 155bb2a95 |
13 | 9cba5a35 |
14 | 5d3c5649 |
15 | 3a0aed78 |
hex | 255fe291 |
627040913 has 8 divisors (see below), whose sum is σ = 629428800. Its totient is φ = 624658608.
The previous prime is 627040891. The next prime is 627040957. The reversal of 627040913 is 319040726.
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 627040913 - 28 = 627040657 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 627040913.
It is not an unprimeable number, because it can be changed into a prime (627040993) 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, 438083 + ... + 439511.
It is an arithmetic number, because the mean of its divisors is an integer number (78678600).
Almost surely, 2627040913 is an apocalyptic number.
It is an amenable number.
627040913 is a deficient number, since it is larger than the sum of its proper divisors (2387887).
627040913 is a wasteful number, since it uses less digits than its factorization.
627040913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2791.
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 627040913 is about 25040.7849916891. The cubic root of 627040913 is about 855.9176054162.
The spelling of 627040913 in words is "six hundred twenty-seven million, forty thousand, nine hundred thirteen".
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