Search a number
-
+
8082405 = 325293613
BaseRepresentation
bin11110110101001111100101
3120012121222100
4132311033211
54032114110
6445122313
7125461602
oct36651745
916177870
108082405
114620481
122859399
13189cab6
1411056a9
15a99bc0
hex7b53e5

8082405 has 24 divisors (see below), whose sum is σ = 14080248. Its totient is φ = 4288896.

The previous prime is 8082401. The next prime is 8082419. The reversal of 8082405 is 5042808.

It can be written as a sum of positive squares in 4 ways, for example, as 431649 + 7650756 = 657^2 + 2766^2 .

It is not a de Polignac number, because 8082405 - 22 = 8082401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8082401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12879 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (586677).

Almost surely, 28082405 is an apocalyptic number.

It is an amenable number.

8082405 is a deficient number, since it is larger than the sum of its proper divisors (5997843).

8082405 is a wasteful number, since it uses less digits than its factorization.

8082405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 8082405 is about 2842.9570872597. The cubic root of 8082405 is about 200.6843638926.

The spelling of 8082405 in words is "eight million, eighty-two thousand, four hundred five".

Divisors: 1 3 5 9 15 45 293 613 879 1465 1839 2637 3065 4395 5517 9195 13185 27585 179609 538827 898045 1616481 2694135 8082405