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89804249 = 975211777
BaseRepresentation
bin1010101101001…
…00110111011001
320020222112021022
411112210313121
5140442213444
612524452225
72140215653
oct526446731
9206875238
1089804249
1146768297
12260aa075
13157b3b12
14bcd96d3
157d3d9ee
hex55a4dd9

89804249 has 8 divisors (see below), whose sum is σ = 90955368. Its totient is φ = 88657920.

The previous prime is 89804233. The next prime is 89804269. The reversal of 89804249 is 94240898.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5953600 + 83850649 = 2440^2 + 9157^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 89804249 - 24 = 89804233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89804219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49649 + ... + 51425.

It is an arithmetic number, because the mean of its divisors is an integer number (11369421).

Almost surely, 289804249 is an apocalyptic number.

It is an amenable number.

89804249 is a deficient number, since it is larger than the sum of its proper divisors (1151119).

89804249 is a wasteful number, since it uses less digits than its factorization.

89804249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 89804249 is about 9476.5103809366. The cubic root of 89804249 is about 447.8153353105.

The spelling of 89804249 in words is "eighty-nine million, eight hundred four thousand, two hundred forty-nine".

Divisors: 1 97 521 1777 50537 172369 925817 89804249