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163304417 is a prime number
BaseRepresentation
bin10011011101111…
…01001111100001
3102101021201112202
421232331033201
5313301220132
624112102545
74022031113
oct1156751741
9371251482
10163304417
11841aa031
1246834a55
1327aa9843
141798d3b3
15e50b762
hex9bbd3e1

163304417 has 2 divisors, whose sum is σ = 163304418. Its totient is φ = 163304416.

The previous prime is 163304399. The next prime is 163304437. The reversal of 163304417 is 714403361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160376896 + 2927521 = 12664^2 + 1711^2 .

It is a cyclic number.

It is not a de Polignac number, because 163304417 - 28 = 163304161 is a prime.

It is a super-2 number, since 2×1633044172 = 53336665223419778, which contains 22 as substring.

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 163304417.

It is not a weakly prime, because it can be changed into another prime (163304437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81652208 + 81652209.

It is an arithmetic number, because the mean of its divisors is an integer number (81652209).

Almost surely, 2163304417 is an apocalyptic number.

It is an amenable number.

163304417 is a deficient number, since it is larger than the sum of its proper divisors (1).

163304417 is an equidigital number, since it uses as much as digits as its factorization.

163304417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 163304417 is about 12779.0616635182. The cubic root of 163304417 is about 546.5954059320.

Adding to 163304417 its reverse (714403361), we get a palindrome (877707778).

The spelling of 163304417 in words is "one hundred sixty-three million, three hundred four thousand, four hundred seventeen".