Search a number
-
+
83066289 = 327688763
BaseRepresentation
bin1001111001101…
…11110110110001
312210022012112020
410330313312301
5132231110124
612124222053
72026023525
oct474676661
9183265466
1083066289
1142985a29
122399a929
1314294c67
14b063d85
15745c379
hex4f37db1

83066289 has 4 divisors (see below), whose sum is σ = 110755056. Its totient is φ = 55377524.

The previous prime is 83066279. The next prime is 83066297. The reversal of 83066289 is 98266038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83066289 - 24 = 83066273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83066289.

It is not an unprimeable number, because it can be changed into a prime (83066279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13844379 + ... + 13844384.

It is an arithmetic number, because the mean of its divisors is an integer number (27688764).

Almost surely, 283066289 is an apocalyptic number.

It is an amenable number.

83066289 is a deficient number, since it is larger than the sum of its proper divisors (27688767).

83066289 is a wasteful number, since it uses less digits than its factorization.

83066289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27688766.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 83066289 is about 9114.0709345495. The cubic root of 83066289 is about 436.3231636745.

The spelling of 83066289 in words is "eighty-three million, sixty-six thousand, two hundred eighty-nine".

Divisors: 1 3 27688763 83066289