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89550287 = 198952957
BaseRepresentation
bin1010101011001…
…10110111001111
320020111121220022
411111212313033
5140411102122
612515212355
72135110361
oct525466717
9206447808
1089550287
1146604502
1225ba70bb
1315725348
14bc70d31
157cdd642
hex5566dcf

89550287 has 8 divisors (see below), whose sum is σ = 95324400. Its totient is φ = 83882304.

The previous prime is 89550283. The next prime is 89550301. The reversal of 89550287 is 78205598.

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 89550287 - 22 = 89550283 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 (89550283) 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 7 ways as a sum of consecutive naturals, for example, 24788 + ... + 28169.

It is an arithmetic number, because the mean of its divisors is an integer number (11915550).

Almost surely, 289550287 is an apocalyptic number.

89550287 is a deficient number, since it is larger than the sum of its proper divisors (5774113).

89550287 is a wasteful number, since it uses less digits than its factorization.

89550287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53065.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 89550287 is about 9463.1013415265. The cubic root of 89550287 is about 447.3928035112.

The spelling of 89550287 in words is "eighty-nine million, five hundred fifty thousand, two hundred eighty-seven".

Divisors: 1 19 89 1691 52957 1006183 4713173 89550287