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89084645 = 5131370533
BaseRepresentation
bin1010100111101…
…01001011100101
320012121222011022
411103311023211
5140301202040
612501220525
72131130666
oct523651345
9205558138
1089084645
1146316681
1225a01745
13155c1410
14bb8d36d
157c4a6b5
hex54f52e5

89084645 has 8 divisors (see below), whose sum is σ = 115124856. Its totient is φ = 65785536.

The previous prime is 89084627. The next prime is 89084657. The reversal of 89084645 is 54648098.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1437601 + 87647044 = 1199^2 + 9362^2 .

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 89084645 - 26 = 89084581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89084596 and 89084605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685202 + ... + 685331.

It is an arithmetic number, because the mean of its divisors is an integer number (14390607).

Almost surely, 289084645 is an apocalyptic number.

It is an amenable number.

89084645 is a deficient number, since it is larger than the sum of its proper divisors (26040211).

89084645 is a wasteful number, since it uses less digits than its factorization.

89084645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370551.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 89084645 is about 9438.4662419272. The cubic root of 89084645 is about 446.6160071627.

The spelling of 89084645 in words is "eighty-nine million, eighty-four thousand, six hundred forty-five".

Divisors: 1 5 13 65 1370533 6852665 17816929 89084645