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89195071 = 712742153
BaseRepresentation
bin1010101000100…
…00001000111111
320012211120122011
411110100020333
5140313220241
612503432051
72132100640
oct524201077
9205746564
1089195071
1146391639
1225a55627
131562c764
14bbbb6c7
157c6d281
hex551023f

89195071 has 4 divisors (see below), whose sum is σ = 101937232. Its totient is φ = 76452912.

The previous prime is 89195053. The next prime is 89195077. The reversal of 89195071 is 17059198.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89195071 - 29 = 89194559 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 (89195077) 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, 6371070 + ... + 6371083.

It is an arithmetic number, because the mean of its divisors is an integer number (25484308).

Almost surely, 289195071 is an apocalyptic number.

89195071 is a deficient number, since it is larger than the sum of its proper divisors (12742161).

89195071 is a wasteful number, since it uses less digits than its factorization.

89195071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12742160.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 89195071 is about 9444.3142154420. The cubic root of 89195071 is about 446.8004671432.

The spelling of 89195071 in words is "eighty-nine million, one hundred ninety-five thousand, seventy-one".

Divisors: 1 7 12742153 89195071