Base | Representation |
---|---|
bin | 1111010111111… |
… | …1010011010101 |
3 | 11111100011012020 |
4 | 3311333103111 |
5 | 113002001230 |
6 | 10222043353 |
7 | 1412052435 |
oct | 365772325 |
9 | 144304166 |
10 | 64484565 |
11 | 33444232 |
12 | 19719559 |
13 | 1048a262 |
14 | 87c82c5 |
15 | 59db810 |
hex | 3d7f4d5 |
64484565 has 8 divisors (see below), whose sum is σ = 103175328. Its totient is φ = 34391760.
The previous prime is 64484551. The next prime is 64484569. The reversal of 64484565 is 56548446.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64484565 - 26 = 64484501 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64484569) 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, 2149471 + ... + 2149500.
It is an arithmetic number, because the mean of its divisors is an integer number (12896916).
Almost surely, 264484565 is an apocalyptic number.
It is an amenable number.
64484565 is a deficient number, since it is larger than the sum of its proper divisors (38690763).
64484565 is a wasteful number, since it uses less digits than its factorization.
64484565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4298979.
The product of its digits is 460800, while the sum is 42.
The square root of 64484565 is about 8030.2282034821. The cubic root of 64484565 is about 401.0069733014.
The spelling of 64484565 in words is "sixty-four million, four hundred eighty-four thousand, five hundred sixty-five".
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