Search a number
-
+
89185313 = 740931151
BaseRepresentation
bin1010101000011…
…01110000100001
320012211002020202
411110031300201
5140312412223
612503314545
72132030330
oct524156041
9205732222
1089185313
1146385278
1225a4ba55
1315628199
14bbb7d17
157c6a428
hex550dc21

89185313 has 8 divisors (see below), whose sum is σ = 102178560. Its totient is φ = 76255200.

The previous prime is 89185307. The next prime is 89185337. The reversal of 89185313 is 31358198.

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

It is not a de Polignac number, because 89185313 - 210 = 89184289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89185303) 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, 12713 + ... + 18438.

It is an arithmetic number, because the mean of its divisors is an integer number (12772320).

Almost surely, 289185313 is an apocalyptic number.

It is an amenable number.

89185313 is a deficient number, since it is larger than the sum of its proper divisors (12993247).

89185313 is a wasteful number, since it uses less digits than its factorization.

89185313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31567.

The product of its digits is 25920, while the sum is 38.

The square root of 89185313 is about 9443.7975941885. The cubic root of 89185313 is about 446.7841731264.

It can be divided in two parts, 89185 and 313, that added together give a palindrome (89498).

The spelling of 89185313 in words is "eighty-nine million, one hundred eighty-five thousand, three hundred thirteen".

Divisors: 1 7 409 2863 31151 218057 12740759 89185313