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89152285 = 517830457
BaseRepresentation
bin1010101000001…
…01101100011101
320012202101221111
411110011230131
5140310333120
612502502021
72131532125
oct524055435
9205671844
1089152285
1146362482
1225a34911
1315616141
14bba9c85
157c6075a
hex5505b1d

89152285 has 4 divisors (see below), whose sum is σ = 106982748. Its totient is φ = 71321824.

The previous prime is 89152247. The next prime is 89152289. The reversal of 89152285 is 58225198.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55905529 + 33246756 = 7477^2 + 5766^2 .

It is a cyclic number.

It is not a de Polignac number, because 89152285 - 27 = 89152157 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89152289) 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 in 3 ways as a sum of consecutive naturals, for example, 8915224 + ... + 8915233.

It is an arithmetic number, because the mean of its divisors is an integer number (26745687).

Almost surely, 289152285 is an apocalyptic number.

It is an amenable number.

89152285 is a deficient number, since it is larger than the sum of its proper divisors (17830463).

89152285 is a wasteful number, since it uses less digits than its factorization.

89152285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17830462.

The product of its digits is 57600, while the sum is 40.

The square root of 89152285 is about 9442.0487713208. The cubic root of 89152285 is about 446.7290137841.

The spelling of 89152285 in words is "eighty-nine million, one hundred fifty-two thousand, two hundred eighty-five".

Divisors: 1 5 17830457 89152285