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13924429 is a prime number
BaseRepresentation
bin110101000111…
…100001001101
3222012102201121
4311013201031
512031040204
61214240541
7226233001
oct65074115
928172647
1013924429
1179506a2
1247b6151
132b66c0c
141bc6701
151350b54
hexd4784d

13924429 has 2 divisors, whose sum is σ = 13924430. Its totient is φ = 13924428.

The previous prime is 13924381. The next prime is 13924439. The reversal of 13924429 is 92442931.

13924429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12411529 + 1512900 = 3523^2 + 1230^2 .

It is a cyclic number.

It is not a de Polignac number, because 13924429 - 213 = 13916237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13924394 and 13924403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13924439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6962214 + 6962215.

It is an arithmetic number, because the mean of its divisors is an integer number (6962215).

Almost surely, 213924429 is an apocalyptic number.

It is an amenable number.

13924429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13924429 is an equidigital number, since it uses as much as digits as its factorization.

13924429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 13924429 is about 3731.5451223320. The cubic root of 13924429 is about 240.5797845890.

The spelling of 13924429 in words is "thirteen million, nine hundred twenty-four thousand, four hundred twenty-nine".