Search a number
-
+
235369 is a prime number
BaseRepresentation
bin111001011101101001
3102221212101
4321131221
530012434
65013401
72000131
oct713551
9387771
10235369
11150922
12b4261
1383194
1461ac1
1549b14
hex39769

235369 has 2 divisors, whose sum is σ = 235370. Its totient is φ = 235368.

The previous prime is 235349. The next prime is 235397. The reversal of 235369 is 963532.

It is an a-pointer prime, because the next prime (235397) can be obtained adding 235369 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235225 + 144 = 485^2 + 12^2 .

It is a cyclic number.

It is not a de Polignac number, because 235369 - 25 = 235337 is a prime.

It is a super-2 number, since 2×2353692 = 110797132322, which contains 22 as substring.

235369 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (235309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117684 + 117685.

It is an arithmetic number, because the mean of its divisors is an integer number (117685).

2235369 is an apocalyptic number.

It is an amenable number.

235369 is a deficient number, since it is larger than the sum of its proper divisors (1).

235369 is an equidigital number, since it uses as much as digits as its factorization.

235369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 28.

The square root of 235369 is about 485.1484308951. The cubic root of 235369 is about 61.7423403438.

The spelling of 235369 in words is "two hundred thirty-five thousand, three hundred sixty-nine".