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4231429 is a prime number
BaseRepresentation
bin10000001001000100000101
321221222102121
4100021010011
52040401204
6230405541
750652346
oct20110405
97858377
104231429
112430154
1215008b1
13b52007
147c20cd
15588b54
hex409105

4231429 has 2 divisors, whose sum is σ = 4231430. Its totient is φ = 4231428.

The previous prime is 4231427. The next prime is 4231459. The reversal of 4231429 is 9241324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 487204 = 1935^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231429 - 21 = 4231427 is a prime.

Together with 4231427, it forms a pair of twin primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 46 + 23 + 35 + 1 + 411 + 215 + 9 .

4231429 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115714 + 2115715.

It is an arithmetic number, because the mean of its divisors is an integer number (2115715).

Almost surely, 24231429 is an apocalyptic number.

It is an amenable number.

4231429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231429 is an equidigital number, since it uses as much as digits as its factorization.

4231429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 4231429 is about 2057.0437525731. The cubic root of 4231429 is about 161.7443129101.

The spelling of 4231429 in words is "four million, two hundred thirty-one thousand, four hundred twenty-nine".