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89116863 = 3112245501
BaseRepresentation
bin1010100111111…
…01000010111111
320012200121100120
411103331002333
5140303214423
612502030023
72131323633
oct523750277
9205617316
1089116863
1146338900
1225a18313
1315602c94
14bb9adc3
157c54ee3
hex54fd0bf

89116863 has 12 divisors (see below), whose sum is σ = 130607064. Its totient is φ = 54010000.

The previous prime is 89116861. The next prime is 89116871. The reversal of 89116863 is 36861198.

It is not a de Polignac number, because 89116863 - 21 = 89116861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89116861) 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 11 ways as a sum of consecutive naturals, for example, 122388 + ... + 123113.

It is an arithmetic number, because the mean of its divisors is an integer number (10883922).

Almost surely, 289116863 is an apocalyptic number.

89116863 is a deficient number, since it is larger than the sum of its proper divisors (41490201).

89116863 is a wasteful number, since it uses less digits than its factorization.

89116863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245526 (or 245515 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 89116863 is about 9440.1728268078. The cubic root of 89116863 is about 446.6698411324.

The spelling of 89116863 in words is "eighty-nine million, one hundred sixteen thousand, eight hundred sixty-three".

Divisors: 1 3 11 33 121 363 245501 736503 2700511 8101533 29705621 89116863