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89669177 = 1310963281
BaseRepresentation
bin1010101100000…
…11111000111001
320020201122222122
411112003320321
5140423403202
612521531025
72136114113
oct526037071
9206648878
1089669177
1146685864
1226043a75
13157674b0
14bca23b3
157d139a2
hex5583e39

89669177 has 8 divisors (see below), whose sum is σ = 97454280. Its totient is φ = 82010880.

The previous prime is 89669171. The next prime is 89669213. The reversal of 89669177 is 77196698.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 913936 + 88755241 = 956^2 + 9421^2 .

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 89669177 - 24 = 89669161 is a prime.

It is a super-2 number, since 2×896691772 = 16081122607714658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89669171) 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, 30224 + ... + 33057.

It is an arithmetic number, because the mean of its divisors is an integer number (12181785).

Almost surely, 289669177 is an apocalyptic number.

It is an amenable number.

89669177 is a deficient number, since it is larger than the sum of its proper divisors (7785103).

89669177 is a wasteful number, since it uses less digits than its factorization.

89669177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63403.

The product of its digits is 1143072, while the sum is 53.

The square root of 89669177 is about 9469.3810251779. The cubic root of 89669177 is about 447.5907072454.

The spelling of 89669177 in words is "eighty-nine million, six hundred sixty-nine thousand, one hundred seventy-seven".

Divisors: 1 13 109 1417 63281 822653 6897629 89669177