Search a number
-
+
89726345 = 517945269
BaseRepresentation
bin1010101100100…
…01110110001001
320020211120101222
411112101312021
5140432220340
612523051425
72136442562
oct526216611
9206746358
1089726345
1146714805
1226070b75
1315787517
14bcb9169
157d258b5
hex5591d89

89726345 has 4 divisors (see below), whose sum is σ = 107671620. Its totient is φ = 71781072.

The previous prime is 89726339. The next prime is 89726347. The reversal of 89726345 is 54362798.

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 11916304 + 77810041 = 3452^2 + 8821^2 .

It is a cyclic number.

It is not a de Polignac number, because 89726345 - 26 = 89726281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89726296 and 89726305.

It is not an unprimeable number, because it can be changed into a prime (89726347) 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, 8972630 + ... + 8972639.

It is an arithmetic number, because the mean of its divisors is an integer number (26917905).

Almost surely, 289726345 is an apocalyptic number.

It is an amenable number.

89726345 is a deficient number, since it is larger than the sum of its proper divisors (17945275).

89726345 is a wasteful number, since it uses less digits than its factorization.

89726345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17945274.

The product of its digits is 362880, while the sum is 44.

The square root of 89726345 is about 9472.3991153245. The cubic root of 89726345 is about 447.6858065520.

The spelling of 89726345 in words is "eighty-nine million, seven hundred twenty-six thousand, three hundred forty-five".

Divisors: 1 5 17945269 89726345