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89284493 = 175252029
BaseRepresentation
bin1010101001001…
…01111110001101
320020000010022002
411110211332031
5140324100433
612505402045
72132622434
oct524457615
9206003262
1089284493
1146442841
1225a99325
131566137c
14bc0211b
157c899e8
hex5525f8d

89284493 has 4 divisors (see below), whose sum is σ = 94536540. Its totient is φ = 84032448.

The previous prime is 89284483. The next prime is 89284501. The reversal of 89284493 is 39448298.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66797929 + 22486564 = 8173^2 + 4742^2 .

It is a cyclic number.

It is not a de Polignac number, because 89284493 - 212 = 89280397 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 (89284423) 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, 2625998 + ... + 2626031.

It is an arithmetic number, because the mean of its divisors is an integer number (23634135).

Almost surely, 289284493 is an apocalyptic number.

It is an amenable number.

89284493 is a deficient number, since it is larger than the sum of its proper divisors (5252047).

89284493 is a wasteful number, since it uses less digits than its factorization.

89284493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252046.

The product of its digits is 497664, while the sum is 47.

The square root of 89284493 is about 9449.0472006441. The cubic root of 89284493 is about 446.9497296773.

The spelling of 89284493 in words is "eighty-nine million, two hundred eighty-four thousand, four hundred ninety-three".

Divisors: 1 17 5252029 89284493