Base | Representation |
---|---|
bin | 11000101001010101001001 |
3 | 110011020110212 |
4 | 120221111021 |
5 | 3123220440 |
6 | 350250505 |
7 | 105625664 |
oct | 30512511 |
9 | 13136425 |
10 | 6460745 |
11 | 3713065 |
12 | 21b6a35 |
13 | 1452935 |
14 | c026db |
15 | 879465 |
hex | 629549 |
6460745 has 4 divisors (see below), whose sum is σ = 7752900. Its totient is φ = 5168592.
The previous prime is 6460721. The next prime is 6460747. The reversal of 6460745 is 5470646.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5470646 = 2 ⋅2735323.
It can be written as a sum of positive squares in 2 ways, for example, as 753424 + 5707321 = 868^2 + 2389^2 .
It is a cyclic number.
It is not a de Polignac number, because 6460745 - 216 = 6395209 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6460747) 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, 646070 + ... + 646079.
It is an arithmetic number, because the mean of its divisors is an integer number (1938225).
Almost surely, 26460745 is an apocalyptic number.
It is an amenable number.
6460745 is a deficient number, since it is larger than the sum of its proper divisors (1292155).
6460745 is a wasteful number, since it uses less digits than its factorization.
6460745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1292154.
The product of its (nonzero) digits is 20160, while the sum is 32.
The square root of 6460745 is about 2541.7995593673. The cubic root of 6460745 is about 186.2491073933.
Subtracting from 6460745 its reverse (5470646), we obtain a palindrome (990099).
The spelling of 6460745 in words is "six million, four hundred sixty thousand, seven hundred forty-five".
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