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7963231 is a prime number
BaseRepresentation
bin11110011000001001011111
3112222120111111
4132120021133
54014310411
6442402451
7124454263
oct36301137
915876444
107963231
114549991
122800427
13185a793
1410b40a3
15a74721
hex79825f

7963231 has 2 divisors, whose sum is σ = 7963232. Its totient is φ = 7963230.

The previous prime is 7963229. The next prime is 7963237. The reversal of 7963231 is 1323697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7963231 - 21 = 7963229 is a prime.

It is a super-2 number, since 2×79632312 = 126826095918722, which contains 22 as substring.

Together with 7963229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7963193 and 7963202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7963237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3981615 + 3981616.

It is an arithmetic number, because the mean of its divisors is an integer number (3981616).

Almost surely, 27963231 is an apocalyptic number.

7963231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7963231 is an equidigital number, since it uses as much as digits as its factorization.

7963231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 7963231 is about 2821.9197366332. The cubic root of 7963231 is about 199.6931210340.

The spelling of 7963231 in words is "seven million, nine hundred sixty-three thousand, two hundred thirty-one".