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430214381 is a prime number
BaseRepresentation
bin11001101001001…
…000110011101101
31002222112011011222
4121221020303231
51340113330011
6110404553125
713442522222
oct3151106355
91088464158
10430214381
11200932483
121000b27a5
136b19002c
14411cb949
1527b80ddb
hex19a48ced

430214381 has 2 divisors, whose sum is σ = 430214382. Its totient is φ = 430214380.

The previous prime is 430214327. The next prime is 430214401. The reversal of 430214381 is 183412034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420660100 + 9554281 = 20510^2 + 3091^2 .

It is a cyclic number.

It is not a de Polignac number, because 430214381 - 226 = 363105517 is a prime.

It is a super-2 number, since 2×4302143812 = 370168827238426322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 430214381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430214581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215107190 + 215107191.

It is an arithmetic number, because the mean of its divisors is an integer number (215107191).

Almost surely, 2430214381 is an apocalyptic number.

It is an amenable number.

430214381 is a deficient number, since it is larger than the sum of its proper divisors (1).

430214381 is an equidigital number, since it uses as much as digits as its factorization.

430214381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 430214381 is about 20741.6098941235. The cubic root of 430214381 is about 754.9096457813.

The spelling of 430214381 in words is "four hundred thirty million, two hundred fourteen thousand, three hundred eighty-one".