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235985213 is a prime number
BaseRepresentation
bin11100001000011…
…01100100111101
3121110001021212002
432010031210331
5440403011323
635225552045
75563561352
oct1604154475
9543037762
10235985213
11111231202
1267045625
1339b76629
14234ac629
1515ab6828
hexe10d93d

235985213 has 2 divisors, whose sum is σ = 235985214. Its totient is φ = 235985212.

The previous prime is 235985207. The next prime is 235985227. The reversal of 235985213 is 312589532.

235985213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184905604 + 51079609 = 13598^2 + 7147^2 .

It is a cyclic number.

It is not a de Polignac number, because 235985213 - 218 = 235723069 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 (235985273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117992606 + 117992607.

It is an arithmetic number, because the mean of its divisors is an integer number (117992607).

Almost surely, 2235985213 is an apocalyptic number.

It is an amenable number.

235985213 is a deficient number, since it is larger than the sum of its proper divisors (1).

235985213 is an equidigital number, since it uses as much as digits as its factorization.

235985213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 235985213 is about 15361.8102123415. The cubic root of 235985213 is about 617.9617535496.

The spelling of 235985213 in words is "two hundred thirty-five million, nine hundred eighty-five thousand, two hundred thirteen".