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63423487 is a prime number
BaseRepresentation
bin1111000111110…
…0001111111111
311102100020200001
43301330033333
5112214022422
610143215131
71400043061
oct361741777
9142306601
1063423487
113288a006
12192a74a7
13101a82ba
1485cd731
15587c227
hex3c7c3ff

63423487 has 2 divisors, whose sum is σ = 63423488. Its totient is φ = 63423486.

The previous prime is 63423449. The next prime is 63423497. The reversal of 63423487 is 78432436.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63423487 - 211 = 63421439 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63423497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711743 + 31711744.

It is an arithmetic number, because the mean of its divisors is an integer number (31711744).

Almost surely, 263423487 is an apocalyptic number.

63423487 is a deficient number, since it is larger than the sum of its proper divisors (1).

63423487 is an equidigital number, since it uses as much as digits as its factorization.

63423487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 37.

The square root of 63423487 is about 7963.8864256090. The cubic root of 63423487 is about 398.7953066774.

The spelling of 63423487 in words is "sixty-three million, four hundred twenty-three thousand, four hundred eighty-seven".