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89308693 = 118775239
BaseRepresentation
bin1010101001010…
…11111000010101
320020001100111101
411110223320111
5140330334233
612510110101
72133053125
oct524537025
9206040441
1089308693
1146459a41
1225aab331
131566c3a6
14bc0ac85
157c91c7d
hex552be15

89308693 has 4 divisors (see below), whose sum is σ = 89385120. Its totient is φ = 89232268.

The previous prime is 89308691. The next prime is 89308753. The reversal of 89308693 is 39680398.

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 89308693 - 21 = 89308691 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 (89308691) 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, 36433 + ... + 38806.

It is an arithmetic number, because the mean of its divisors is an integer number (22346280).

Almost surely, 289308693 is an apocalyptic number.

It is an amenable number.

89308693 is a deficient number, since it is larger than the sum of its proper divisors (76427).

89308693 is a wasteful number, since it uses less digits than its factorization.

89308693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76426.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 89308693 is about 9450.3276662770. The cubic root of 89308693 is about 446.9901070001.

The spelling of 89308693 in words is "eighty-nine million, three hundred eight thousand, six hundred ninety-three".

Divisors: 1 1187 75239 89308693