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89347487 = 314170297
BaseRepresentation
bin1010101001101…
…01010110011111
320020010022201012
411110311112133
5140333104422
612511005435
72133304205
oct524652637
9206108635
1089347487
11464860a9
1225b0987b
1315683c48
14bc1b075
157c9d4e2
hex553559f

89347487 has 8 divisors (see below), whose sum is σ = 94480512. Its totient is φ = 84355200.

The previous prime is 89347469. The next prime is 89347513. The reversal of 89347487 is 78474398.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89347487 - 224 = 72570271 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 (89347457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33878 + ... + 36419.

It is an arithmetic number, because the mean of its divisors is an integer number (11810064).

Almost surely, 289347487 is an apocalyptic number.

89347487 is a deficient number, since it is larger than the sum of its proper divisors (5133025).

89347487 is a wasteful number, since it uses less digits than its factorization.

89347487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70369.

The product of its digits is 1354752, while the sum is 50.

The square root of 89347487 is about 9452.3799648554. The cubic root of 89347487 is about 447.0548189687.

The spelling of 89347487 in words is "eighty-nine million, three hundred forty-seven thousand, four hundred eighty-seven".

Divisors: 1 31 41 1271 70297 2179207 2882177 89347487