Base | Representation |
---|---|
bin | 1111101010000… |
… | …1111111101101 |
3 | 11120120122111111 |
4 | 3322201333231 |
5 | 113303101440 |
6 | 10303352021 |
7 | 1425142006 |
oct | 372417755 |
9 | 146518444 |
10 | 65675245 |
11 | 34087869 |
12 | 19bb2611 |
13 | 107b61bc |
14 | 8a181ad |
15 | 5b744ea |
hex | 3ea1fed |
65675245 has 4 divisors (see below), whose sum is σ = 78810300. Its totient is φ = 52540192.
The previous prime is 65675243. The next prime is 65675249. The reversal of 65675245 is 54257656.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 20557156 + 45118089 = 4534^2 + 6717^2 .
It is a cyclic number.
It is not a de Polignac number, because 65675245 - 21 = 65675243 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 65675198 and 65675207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65675243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6567520 + ... + 6567529.
It is an arithmetic number, because the mean of its divisors is an integer number (19702575).
Almost surely, 265675245 is an apocalyptic number.
It is an amenable number.
65675245 is a deficient number, since it is larger than the sum of its proper divisors (13135055).
65675245 is a wasteful number, since it uses less digits than its factorization.
65675245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13135054.
The product of its digits is 252000, while the sum is 40.
The square root of 65675245 is about 8104.0264683674. The cubic root of 65675245 is about 403.4600771148.
The spelling of 65675245 in words is "sixty-five million, six hundred seventy-five thousand, two hundred forty-five".
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