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89404447 = 1174310939
BaseRepresentation
bin1010101010000…
…11010000011111
320020020012211211
411111003100133
5140341420242
612512125251
72133632236
oct525032037
9206205754
1089404447
1146514980
1225b36827
13156a3b52
14bc33b1d
157cb0317
hex554341f

89404447 has 8 divisors (see below), whose sum is σ = 97672320. Its totient is φ = 81159960.

The previous prime is 89404433. The next prime is 89404451. The reversal of 89404447 is 74440498.

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 89404447 - 27 = 89404319 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 (89404457) 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 7 ways as a sum of consecutive naturals, for example, 2704 + ... + 13642.

It is an arithmetic number, because the mean of its divisors is an integer number (12209040).

Almost surely, 289404447 is an apocalyptic number.

89404447 is a deficient number, since it is larger than the sum of its proper divisors (8267873).

89404447 is a wasteful number, since it uses less digits than its factorization.

89404447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11693.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 89404447 is about 9455.3924825995. The cubic root of 89404447 is about 447.1497995665.

The spelling of 89404447 in words is "eighty-nine million, four hundred four thousand, four hundred forty-seven".

Divisors: 1 11 743 8173 10939 120329 8127677 89404447