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4229689 is a prime number
BaseRepresentation
bin10000001000101000111001
321221220001011
4100020220321
52040322224
6230353521
750644312
oct20105071
97856034
104229689
112429912
1214bb8a1
13b51299
147c1609
15588394
hex408a39

4229689 has 2 divisors, whose sum is σ = 4229690. Its totient is φ = 4229688.

The previous prime is 4229657. The next prime is 4229699. The reversal of 4229689 is 9869224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 1605289 = 1620^2 + 1267^2 .

It is a cyclic number.

It is not a de Polignac number, because 4229689 - 25 = 4229657 is a prime.

It is not a weakly prime, because it can be changed into another prime (4229639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114844 + 2114845.

It is an arithmetic number, because the mean of its divisors is an integer number (2114845).

Almost surely, 24229689 is an apocalyptic number.

It is an amenable number.

4229689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4229689 is an equidigital number, since it uses as much as digits as its factorization.

4229689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 4229689 is about 2056.6207720433. The cubic root of 4229689 is about 161.7221396529.

The spelling of 4229689 in words is "four million, two hundred twenty-nine thousand, six hundred eighty-nine".