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32806085 = 5131393631
BaseRepresentation
bin111110100100…
…1010011000101
32021201201111012
41331021103011
531344243320
63131052005
7545563364
oct175112305
967651435
1032806085
1117577774
12aba1005
136a482b0
1444dd7db
152d304c5
hex1f494c5

32806085 has 16 divisors (see below), whose sum is σ = 42712320. Its totient is φ = 24045120.

The previous prime is 32806051. The next prime is 32806097. The reversal of 32806085 is 58060823.

It is not a de Polignac number, because 32806085 - 216 = 32740549 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 7220 + ... + 10850.

It is an arithmetic number, because the mean of its divisors is an integer number (2669520).

Almost surely, 232806085 is an apocalyptic number.

It is an amenable number.

32806085 is a deficient number, since it is larger than the sum of its proper divisors (9906235).

32806085 is a wasteful number, since it uses less digits than its factorization.

32806085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 32806085 is about 5727.6596442177. The cubic root of 32806085 is about 320.1239266100.

The spelling of 32806085 in words is "thirty-two million, eight hundred six thousand, eighty-five".

Divisors: 1 5 13 65 139 695 1807 3631 9035 18155 47203 236015 504709 2523545 6561217 32806085