Base | Representation |
---|---|
bin | 11111110101010… |
… | …011000110101101 |
3 | 1101012221100020201 |
4 | 133311103012231 |
5 | 2043210044311 |
6 | 124554513501 |
7 | 16143324340 |
oct | 3765230655 |
9 | 1335840221 |
10 | 534065581 |
11 | 254514415 |
12 | 12aa35891 |
13 | 8685174a |
14 | 50d02457 |
15 | 31d469c1 |
hex | 1fd531ad |
534065581 has 8 divisors (see below), whose sum is σ = 620706240. Its totient is φ = 450011328.
The previous prime is 534065573. The next prime is 534065603. The reversal of 534065581 is 185560435.
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 534065581 - 23 = 534065573 is a prime.
It is a super-2 number, since 2×5340655812 = 570452089617735122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 534065581.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (534065531) 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, 646156 + ... + 646981.
It is an arithmetic number, because the mean of its divisors is an integer number (77588280).
Almost surely, 2534065581 is an apocalyptic number.
It is an amenable number.
534065581 is a deficient number, since it is larger than the sum of its proper divisors (86640659).
534065581 is a wasteful number, since it uses less digits than its factorization.
534065581 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1293203.
The product of its (nonzero) digits is 72000, while the sum is 37.
The square root of 534065581 is about 23109.8589567310. The cubic root of 534065581 is about 811.3312362036.
The spelling of 534065581 in words is "five hundred thirty-four million, sixty-five thousand, five hundred eighty-one".
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