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89196605 = 529617997
BaseRepresentation
bin1010101000100…
…00100000111101
320012211122201222
411110100200331
5140313242410
612503443125
72132105261
oct524204075
9205748658
1089196605
1146392803
1225a564a5
1315630374
14bbbc0a1
157c6d955
hex551083d

89196605 has 16 divisors (see below), whose sum is σ = 111017520. Its totient is φ = 68716032.

The previous prime is 89196593. The next prime is 89196617. The reversal of 89196605 is 50669198.

It is an interprime number because it is at equal distance from previous prime (89196593) and next prime (89196617).

It can be written as a sum of positive squares in 8 ways, for example, as 2390116 + 86806489 = 1546^2 + 9317^2 .

It is a cyclic number.

It is not a de Polignac number, because 89196605 - 24 = 89196589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88967 + ... + 89963.

It is an arithmetic number, because the mean of its divisors is an integer number (6938595).

Almost surely, 289196605 is an apocalyptic number.

It is an amenable number.

89196605 is a deficient number, since it is larger than the sum of its proper divisors (21820915).

89196605 is a wasteful number, since it uses less digits than its factorization.

89196605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 89196605 is about 9444.3954279774. The cubic root of 89196605 is about 446.8030285253.

The spelling of 89196605 in words is "eighty-nine million, one hundred ninety-six thousand, six hundred five".

Divisors: 1 5 29 145 617 997 3085 4985 17893 28913 89465 144565 615149 3075745 17839321 89196605