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434443001 is a prime number
BaseRepresentation
bin11001111001010…
…001001011111001
31010021110222202112
4121321101023321
51342204134001
6111035342105
713523463446
oct3171211371
91107428675
10434443001
11203260503
121015b1935
136c010985
14419ac9cd
1528218cbb
hex19e512f9

434443001 has 2 divisors, whose sum is σ = 434443002. Its totient is φ = 434443000.

The previous prime is 434442991. The next prime is 434443003. The reversal of 434443001 is 100344434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317694976 + 116748025 = 17824^2 + 10805^2 .

It is a cyclic number.

It is not a de Polignac number, because 434443001 - 222 = 430248697 is a prime.

It is a super-2 number, since 2×4344430012 = 377481442235772002, which contains 22 as substring.

Together with 434443003, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p23071361 and since 434443001 and 23071361 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (434443003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217221500 + 217221501.

It is an arithmetic number, because the mean of its divisors is an integer number (217221501).

Almost surely, 2434443001 is an apocalyptic number.

It is an amenable number.

434443001 is a deficient number, since it is larger than the sum of its proper divisors (1).

434443001 is an equidigital number, since it uses as much as digits as its factorization.

434443001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 434443001 is about 20843.2963084057. The cubic root of 434443001 is about 757.3749468071.

Adding to 434443001 its reverse (100344434), we get a palindrome (534787435).

The spelling of 434443001 in words is "four hundred thirty-four million, four hundred forty-three thousand, one".