Base | Representation |
---|---|
bin | 1110100011010… |
… | …0100001110101 |
3 | 11020211202221101 |
4 | 3220310201311 |
5 | 111111020230 |
6 | 10020050101 |
7 | 1340524336 |
oct | 350644165 |
9 | 136752841 |
10 | 61032565 |
11 | 314a6740 |
12 | 18533931 |
13 | c84bc59 |
14 | 816a28d |
15 | 5558aca |
hex | 3a34875 |
61032565 has 16 divisors (see below), whose sum is σ = 80061696. Its totient is φ = 44296000.
The previous prime is 61032563. The next prime is 61032577. The reversal of 61032565 is 56523016.
61032565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 61032565 - 21 = 61032563 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61032563) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37764 + ... + 39346.
It is an arithmetic number, because the mean of its divisors is an integer number (5003856).
Almost surely, 261032565 is an apocalyptic number.
It is an amenable number.
61032565 is a deficient number, since it is larger than the sum of its proper divisors (19029131).
61032565 is a wasteful number, since it uses less digits than its factorization.
61032565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2300.
The product of its (nonzero) digits is 5400, while the sum is 28.
The square root of 61032565 is about 7812.3341582398. The cubic root of 61032565 is about 393.7197561384.
It can be divided in two parts, 6103 and 2565, that added together give a palindrome (8668).
The spelling of 61032565 in words is "sixty-one million, thirty-two thousand, five hundred sixty-five".
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