Search a number
-
+
432989 is a prime number
BaseRepresentation
bin1101001101101011101
3210222221122
41221231131
5102323424
613140325
73452234
oct1515535
9728848
10432989
11276347
1218a6a5
1312210b
14b3b1b
158845e
hex69b5d

432989 has 2 divisors, whose sum is σ = 432990. Its totient is φ = 432988.

The previous prime is 432983. The next prime is 433003. The reversal of 432989 is 989234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432964 + 25 = 658^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 432989 - 216 = 367453 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216494 + 216495.

It is an arithmetic number, because the mean of its divisors is an integer number (216495).

2432989 is an apocalyptic number.

It is an amenable number.

432989 is a deficient number, since it is larger than the sum of its proper divisors (1).

432989 is an equidigital number, since it uses as much as digits as its factorization.

432989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 432989 is about 658.0189966863. The cubic root of 432989 is about 75.6529070786.

The spelling of 432989 in words is "four hundred thirty-two thousand, nine hundred eighty-nine".