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89313473 = 539316561
BaseRepresentation
bin1010101001011…
…01000011000001
320020001121001102
411110231003001
5140331012343
612510144145
72133103064
oct524550301
9206047042
1089313473
1146462597
1225ab2055
1315671612
14bc0c8db
157c933b8
hex552d0c1

89313473 has 4 divisors (see below), whose sum is σ = 89335428. Its totient is φ = 89291520.

The previous prime is 89313443. The next prime is 89313481. The reversal of 89313473 is 37431398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37431398 = 218715699.

It can be written as a sum of positive squares in 2 ways, for example, as 44249104 + 45064369 = 6652^2 + 6713^2 .

It is a cyclic number.

It is not a de Polignac number, because 89313473 - 210 = 89312449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89313443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888 + ... + 13673.

It is an arithmetic number, because the mean of its divisors is an integer number (22333857).

Almost surely, 289313473 is an apocalyptic number.

It is an amenable number.

89313473 is a deficient number, since it is larger than the sum of its proper divisors (21955).

89313473 is a wasteful number, since it uses less digits than its factorization.

89313473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21954.

The product of its digits is 54432, while the sum is 38.

The square root of 89313473 is about 9450.5805641770. The cubic root of 89313473 is about 446.9980814929.

The spelling of 89313473 in words is "eighty-nine million, three hundred thirteen thousand, four hundred seventy-three".

Divisors: 1 5393 16561 89313473