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89382691 = 169952609
BaseRepresentation
bin1010101001111…
…01111100100011
320020012010000001
411110331330203
5140340221231
612511440431
72133511636
oct524757443
9206163001
1089382691
11464aa5a2
1225b26117
1315696c88
14bc29c1d
157ca8b61
hex553df23

89382691 has 4 divisors (see below), whose sum is σ = 89437000. Its totient is φ = 89328384.

The previous prime is 89382659. The next prime is 89382697. The reversal of 89382691 is 19628398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19628398 = 29814199.

It is a cyclic number.

It is not a de Polignac number, because 89382691 - 25 = 89382659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89382697) 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, 24606 + ... + 28003.

It is an arithmetic number, because the mean of its divisors is an integer number (22359250).

Almost surely, 289382691 is an apocalyptic number.

89382691 is a deficient number, since it is larger than the sum of its proper divisors (54309).

89382691 is a wasteful number, since it uses less digits than its factorization.

89382691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54308.

The product of its digits is 186624, while the sum is 46.

The square root of 89382691 is about 9454.2419579784. The cubic root of 89382691 is about 447.1135262767.

The spelling of 89382691 in words is "eighty-nine million, three hundred eighty-two thousand, six hundred ninety-one".

Divisors: 1 1699 52609 89382691