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89086789 = 118098799
BaseRepresentation
bin1010100111101…
…01101101000101
320012122002002201
411103311231011
5140301234124
612501234501
72131140151
oct523655505
9205562081
1089086789
1146318250
1225a02a31
13155c239c
14bb90061
157c4b144
hex54f5b45

89086789 has 4 divisors (see below), whose sum is σ = 97185600. Its totient is φ = 80987980.

The previous prime is 89086741. The next prime is 89086813. The reversal of 89086789 is 98768098.

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 89086789 - 27 = 89086661 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 (89086729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4049389 + ... + 4049410.

It is an arithmetic number, because the mean of its divisors is an integer number (24296400).

Almost surely, 289086789 is an apocalyptic number.

It is an amenable number.

89086789 is a deficient number, since it is larger than the sum of its proper divisors (8098811).

89086789 is a wasteful number, since it uses less digits than its factorization.

89086789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8098810.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 89086789 is about 9438.5798190194. The cubic root of 89086789 is about 446.6195900362.

The spelling of 89086789 in words is "eighty-nine million, eighty-six thousand, seven hundred eighty-nine".

Divisors: 1 11 8098799 89086789