Search a number
-
+
85006653 = 341691111
BaseRepresentation
bin1010001000100…
…01100100111101
312220221210012120
411010101210331
5133230203103
612233553153
72051354544
oct504214475
9186853176
1085006653
1143a90836
12245757b9
13147c41c4
14b40b15b
1576e2253
hex511193d

85006653 has 8 divisors (see below), whose sum is σ = 116106816. Its totient is φ = 55288800.

The previous prime is 85006639. The next prime is 85006673. The reversal of 85006653 is 35660058.

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

It is not a de Polignac number, because 85006653 - 24 = 85006637 is a prime.

It is a super-2 number, since 2×850066532 = 14452262108524818, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85006673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345433 + ... + 345678.

It is an arithmetic number, because the mean of its divisors is an integer number (14513352).

Almost surely, 285006653 is an apocalyptic number.

It is an amenable number.

85006653 is a deficient number, since it is larger than the sum of its proper divisors (31100163).

85006653 is a wasteful number, since it uses less digits than its factorization.

85006653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691155.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 85006653 is about 9219.9052598169. The cubic root of 85006653 is about 439.6944383314.

The spelling of 85006653 in words is "eighty-five million, six thousand, six hundred fifty-three".

Divisors: 1 3 41 123 691111 2073333 28335551 85006653