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322323145 = 5172223061
BaseRepresentation
bin10011001101100…
…100001011001001
3211110111201020021
4103031210023021
51130003320040
651552300441
710662462424
oct2315441311
9743451207
10322323145
11155a41171
128bb41721
1351a15771
1430b449bb
151d46d24a
hex133642c9

322323145 has 12 divisors (see below), whose sum is σ = 410880204. Its totient is φ = 242689280.

The previous prime is 322323119. The next prime is 322323149. The reversal of 322323145 is 541323223.

It can be written as a sum of positive squares in 6 ways, for example, as 8785296 + 313537849 = 2964^2 + 17707^2 .

It is not a de Polignac number, because 322323145 - 29 = 322322633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322323149) 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 11 ways as a sum of consecutive naturals, for example, 110086 + ... + 112975.

It is an arithmetic number, because the mean of its divisors is an integer number (34240017).

Almost surely, 2322323145 is an apocalyptic number.

It is an amenable number.

322323145 is a deficient number, since it is larger than the sum of its proper divisors (88557059).

322323145 is a wasteful number, since it uses less digits than its factorization.

322323145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223100 (or 223083 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 322323145 is about 17953.3602704341. The cubic root of 322323145 is about 685.6416067460.

Adding to 322323145 its reverse (541323223), we get a palindrome (863646368).

The spelling of 322323145 in words is "three hundred twenty-two million, three hundred twenty-three thousand, one hundred forty-five".

Divisors: 1 5 17 85 289 1445 223061 1115305 3792037 18960185 64464629 322323145