Search a number
-
+
85002069 = 342176719
BaseRepresentation
bin1010001000100…
…00011101010101
312220221112220210
411010100131111
5133230031234
612233520033
72051335305
oct504203525
9186845823
1085002069
1143a88349
1224573019
13147c20a9
14b409605
1576e0be9
hex5110755

85002069 has 8 divisors (see below), whose sum is σ = 113379840. Its totient is φ = 56646176.

The previous prime is 85002059. The next prime is 85002077. The reversal of 85002069 is 96020058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85002069 - 25 = 85002037 is a prime.

It is a super-2 number, since 2×850020692 = 14450703468561522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85002019) 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 in 7 ways as a sum of consecutive naturals, for example, 9292 + ... + 16010.

It is an arithmetic number, because the mean of its divisors is an integer number (14172480).

Almost surely, 285002069 is an apocalyptic number.

It is an amenable number.

85002069 is a deficient number, since it is larger than the sum of its proper divisors (28377771).

85002069 is a wasteful number, since it uses less digits than its factorization.

85002069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10939.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 85002069 is about 9219.6566638894. The cubic root of 85002069 is about 439.6865346538.

The spelling of 85002069 in words is "eighty-five million, two thousand, sixty-nine".

Divisors: 1 3 4217 6719 12651 20157 28334023 85002069