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404130047 is a prime number
BaseRepresentation
bin11000000101101…
…000100011111111
31001011102221012112
4120011220203333
51311424130142
6104033524235
713005022466
oct3005504377
91034387175
10404130047
11198136982
12b341367b
1365959409
143b95b9dd
152572c382
hex181688ff

404130047 has 2 divisors, whose sum is σ = 404130048. Its totient is φ = 404130046.

The previous prime is 404130029. The next prime is 404130049. The reversal of 404130047 is 740031404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404130047 - 26 = 404129983 is a prime.

Together with 404130049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404130049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202065023 + 202065024.

It is an arithmetic number, because the mean of its divisors is an integer number (202065024).

Almost surely, 2404130047 is an apocalyptic number.

404130047 is a deficient number, since it is larger than the sum of its proper divisors (1).

404130047 is an equidigital number, since it uses as much as digits as its factorization.

404130047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 404130047 is about 20102.9860219819. The cubic root of 404130047 is about 739.3334922692. Note that the first 3 decimals are identical.

The spelling of 404130047 in words is "four hundred four million, one hundred thirty thousand, forty-seven".