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89413693 = 174722381
BaseRepresentation
bin1010101010001…
…01100000111101
320020020200112021
411111011200331
5140342214233
612512240141
72134001215
oct525054075
9206220467
1089413693
1146520916
1225b40051
13156a8115
14bc37245
157cb2e2d
hex554583d

89413693 has 12 divisors (see below), whose sum is σ = 96771132. Its totient is φ = 82328960.

The previous prime is 89413679. The next prime is 89413697. The reversal of 89413693 is 39631498.

It can be written as a sum of positive squares in 2 ways, for example, as 24820324 + 64593369 = 4982^2 + 8037^2 .

It is not a de Polignac number, because 89413693 - 213 = 89405501 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 (89413697) 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 11 ways as a sum of consecutive naturals, for example, 36363 + ... + 38743.

It is an arithmetic number, because the mean of its divisors is an integer number (8064261).

Almost surely, 289413693 is an apocalyptic number.

It is an amenable number.

89413693 is a deficient number, since it is larger than the sum of its proper divisors (7357439).

89413693 is a wasteful number, since it uses less digits than its factorization.

89413693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492 (or 2445 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 89413693 is about 9455.8813973104. The cubic root of 89413693 is about 447.1652134326.

The spelling of 89413693 in words is "eighty-nine million, four hundred thirteen thousand, six hundred ninety-three".

Divisors: 1 17 47 799 2209 2381 37553 40477 111907 1902419 5259629 89413693