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424000169 is a prime number
BaseRepresentation
bin11001010001011…
…011101010101001
31002112211102212222
4121101123222221
51332021001134
6110023443425
713335641045
oct3121335251
91075742788
10424000169
111a837866a
12b9bb6575
1369ac5698
1440451025
1527354a2e
hex1945baa9

424000169 has 2 divisors, whose sum is σ = 424000170. Its totient is φ = 424000168.

The previous prime is 424000163. The next prime is 424000177. The reversal of 424000169 is 961000424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420742144 + 3258025 = 20512^2 + 1805^2 .

It is a cyclic number.

It is not a de Polignac number, because 424000169 - 24 = 424000153 is a prime.

It is a super-2 number, since 2×4240001692 = 359552286624057122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424000163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212000084 + 212000085.

It is an arithmetic number, because the mean of its divisors is an integer number (212000085).

Almost surely, 2424000169 is an apocalyptic number.

It is an amenable number.

424000169 is a deficient number, since it is larger than the sum of its proper divisors (1).

424000169 is an equidigital number, since it uses as much as digits as its factorization.

424000169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 424000169 is about 20591.2643856564. The cubic root of 424000169 is about 751.2572506575.

The spelling of 424000169 in words is "four hundred twenty-four million, one hundred sixty-nine", and thus it is an aban number.