Search a number
-
+
17428429 is a prime number
BaseRepresentation
bin100001001111…
…0111111001101
31012210110022101
41002132333031
513430202204
61421315101
7301065514
oct102367715
935713271
1017428429
119924267
125a05a91
1337c2aa5
14245967b
1517e3ea4
hex109efcd

17428429 has 2 divisors, whose sum is σ = 17428430. Its totient is φ = 17428428.

The previous prime is 17428421. The next prime is 17428469. The reversal of 17428429 is 92482471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9030025 + 8398404 = 3005^2 + 2898^2 .

It is a cyclic number.

It is not a de Polignac number, because 17428429 - 23 = 17428421 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 (17428421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8714214 + 8714215.

It is an arithmetic number, because the mean of its divisors is an integer number (8714215).

Almost surely, 217428429 is an apocalyptic number.

It is an amenable number.

17428429 is a deficient number, since it is larger than the sum of its proper divisors (1).

17428429 is an equidigital number, since it uses as much as digits as its factorization.

17428429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 17428429 is about 4174.7369977042. The cubic root of 17428429 is about 259.2702862548.

The spelling of 17428429 in words is "seventeen million, four hundred twenty-eight thousand, four hundred twenty-nine".