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89189169 = 3191155653
BaseRepresentation
bin1010101000011…
…10101100110001
320012211021112120
411110032230301
5140313023134
612503344453
72132044506
oct524165461
9205737476
1089189169
1146388163
1225a52129
1315629b74
14bbb94ad
157c6b649
hex550eb31

89189169 has 8 divisors (see below), whose sum is σ = 119542272. Its totient is φ = 59147760.

The previous prime is 89189167. The next prime is 89189197. The reversal of 89189169 is 96198198.

It is a happy number.

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

It is not a de Polignac number, because 89189169 - 21 = 89189167 is a prime.

It is a super-2 number, since 2×891891692 = 15909415733821122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89189167) 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, 77254 + ... + 78399.

It is an arithmetic number, because the mean of its divisors is an integer number (14942784).

Almost surely, 289189169 is an apocalyptic number.

It is an amenable number.

89189169 is a deficient number, since it is larger than the sum of its proper divisors (30353103).

89189169 is a wasteful number, since it uses less digits than its factorization.

89189169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155847.

The product of its digits is 279936, while the sum is 51.

The square root of 89189169 is about 9444.0017471409. The cubic root of 89189169 is about 446.7906120600.

The spelling of 89189169 in words is "eighty-nine million, one hundred eighty-nine thousand, one hundred sixty-nine".

Divisors: 1 3 191 573 155653 466959 29729723 89189169