Search a number
-
+
8540065 = 52958897
BaseRepresentation
bin100000100100…
…111110100001
3121001212202201
4200210332201
54141240230
6503013201
7132406102
oct40447641
917055681
108540065
114903306
122a3a201
131a001c1
1411c43a9
15b3a5ca
hex824fa1

8540065 has 8 divisors (see below), whose sum is σ = 10601640. Its totient is φ = 6596352.

The previous prime is 8540053. The next prime is 8540083. The reversal of 8540065 is 5600458.

It can be written as a sum of positive squares in 4 ways, for example, as 147456 + 8392609 = 384^2 + 2897^2 .

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 8540065 - 25 = 8540033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29304 + ... + 29593.

It is an arithmetic number, because the mean of its divisors is an integer number (1325205).

Almost surely, 28540065 is an apocalyptic number.

It is an amenable number.

8540065 is a deficient number, since it is larger than the sum of its proper divisors (2061575).

8540065 is a wasteful number, since it uses less digits than its factorization.

8540065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58931.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 8540065 is about 2922.3389604904. The cubic root of 8540065 is about 204.4029026361.

The spelling of 8540065 in words is "eight million, five hundred forty thousand, sixty-five".

Divisors: 1 5 29 145 58897 294485 1708013 8540065