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89045863 = 293070547
BaseRepresentation
bin1010100111010…
…11101101100111
320012112222221221
411103223231213
5140243431423
612500321211
72130606634
oct523535547
9205488857
1089045863
114629a525
12259a3207
13155a987a
14bb7d18b
157c3de5d
hex54ebb67

89045863 has 4 divisors (see below), whose sum is σ = 92116440. Its totient is φ = 85975288.

The previous prime is 89045861. The next prime is 89045867. The reversal of 89045863 is 36854098.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36854098 = 218427049.

It is a cyclic number.

It is not a de Polignac number, because 89045863 - 21 = 89045861 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 (89045861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1535245 + ... + 1535302.

It is an arithmetic number, because the mean of its divisors is an integer number (23029110).

Almost surely, 289045863 is an apocalyptic number.

89045863 is a deficient number, since it is larger than the sum of its proper divisors (3070577).

89045863 is a wasteful number, since it uses less digits than its factorization.

89045863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070576.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 89045863 is about 9436.4115531276. The cubic root of 89045863 is about 446.5511880009.

The spelling of 89045863 in words is "eighty-nine million, forty-five thousand, eight hundred sixty-three".

Divisors: 1 29 3070547 89045863