Search a number
-
+
85683361 is a prime number
BaseRepresentation
bin1010001101101…
…10110010100001
312222020011110211
411012312302201
5133413331421
612300254121
72060203501
oct506666241
9188204424
1085683361
11444031a5
1224841341
13149a021a
14b545a01
1577c79e1
hex51b6ca1

85683361 has 2 divisors, whose sum is σ = 85683362. Its totient is φ = 85683360.

The previous prime is 85683347. The next prime is 85683373. The reversal of 85683361 is 16338658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79995136 + 5688225 = 8944^2 + 2385^2 .

It is a cyclic number.

It is not a de Polignac number, because 85683361 - 25 = 85683329 is a prime.

It is not a weakly prime, because it can be changed into another prime (85683161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42841680 + 42841681.

It is an arithmetic number, because the mean of its divisors is an integer number (42841681).

Almost surely, 285683361 is an apocalyptic number.

It is an amenable number.

85683361 is a deficient number, since it is larger than the sum of its proper divisors (1).

85683361 is an equidigital number, since it uses as much as digits as its factorization.

85683361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 85683361 is about 9256.5307216041. The cubic root of 85683361 is about 440.8581067319.

The spelling of 85683361 in words is "eighty-five million, six hundred eighty-three thousand, three hundred sixty-one".