Search a number
-
+
63979429 is a prime number
BaseRepresentation
bin1111010000001…
…1111110100101
311110101111021111
43310003332211
5112334320204
610203145021
71404546643
oct364037645
9143344244
1063979429
1133129768
1219515171
1310341367
1486d6193
15593bd04
hex3d03fa5

63979429 has 2 divisors, whose sum is σ = 63979430. Its totient is φ = 63979428.

The previous prime is 63979387. The next prime is 63979459. The reversal of 63979429 is 92497936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53319204 + 10660225 = 7302^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 63979429 - 215 = 63946661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63979459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31989714 + 31989715.

It is an arithmetic number, because the mean of its divisors is an integer number (31989715).

Almost surely, 263979429 is an apocalyptic number.

It is an amenable number.

63979429 is a deficient number, since it is larger than the sum of its proper divisors (1).

63979429 is an equidigital number, since it uses as much as digits as its factorization.

63979429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 49.

The square root of 63979429 is about 7998.7142091714. The cubic root of 63979429 is about 399.9571391575.

The spelling of 63979429 in words is "sixty-three million, nine hundred seventy-nine thousand, four hundred twenty-nine".