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89044909 = 271328579
BaseRepresentation
bin1010100111010…
…11011110101101
320012112221122121
411103223132231
5140243414114
612500312541
72130604102
oct523533655
9205487577
1089044909
1146299838
12259a2751
13155a92c5
14bb7caa9
157c3da24
hex54eb7ad

89044909 has 4 divisors (see below), whose sum is σ = 89373760. Its totient is φ = 88716060.

The previous prime is 89044883. The next prime is 89044939. The reversal of 89044909 is 90944098.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89044909 - 211 = 89042861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89044939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164019 + ... + 164560.

It is an arithmetic number, because the mean of its divisors is an integer number (22343440).

Almost surely, 289044909 is an apocalyptic number.

It is an amenable number.

89044909 is a deficient number, since it is larger than the sum of its proper divisors (328851).

89044909 is a wasteful number, since it uses less digits than its factorization.

89044909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328850.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 89044909 is about 9436.3610041159. The cubic root of 89044909 is about 446.5495932745.

The spelling of 89044909 in words is "eighty-nine million, forty-four thousand, nine hundred nine".

Divisors: 1 271 328579 89044909