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323424161 is a prime number
BaseRepresentation
bin10011010001110…
…000111110100001
3211112120122112122
4103101300332201
51130244033121
652032034025
711005026404
oct2321607641
9745518478
10323424161
111566233a5
1290392915
135200c958
1430d4dd3b
151d5d95ab
hex13470fa1

323424161 has 2 divisors, whose sum is σ = 323424162. Its totient is φ = 323424160.

The previous prime is 323424151. The next prime is 323424163. The reversal of 323424161 is 161424323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180741136 + 142683025 = 13444^2 + 11945^2 .

It is a cyclic number.

It is not a de Polignac number, because 323424161 - 26 = 323424097 is a prime.

Together with 323424163, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323424161.

It is not a weakly prime, because it can be changed into another prime (323424163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161712080 + 161712081.

It is an arithmetic number, because the mean of its divisors is an integer number (161712081).

Almost surely, 2323424161 is an apocalyptic number.

It is an amenable number.

323424161 is a deficient number, since it is larger than the sum of its proper divisors (1).

323424161 is an equidigital number, since it uses as much as digits as its factorization.

323424161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 323424161 is about 17983.9973587632. The cubic root of 323424161 is about 686.4214084940.

Adding to 323424161 its reverse (161424323), we get a palindrome (484848484).

The spelling of 323424161 in words is "three hundred twenty-three million, four hundred twenty-four thousand, one hundred sixty-one".