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89191383 = 3471016263
BaseRepresentation
bin1010101000011…
…11001111010111
320012211101120120
411110033033113
5140313111013
612503403023
72132054121
oct524171727
9205741516
1089191383
1146389896
1225a53473
131562ab88
14bbba211
157c6c123
hex550f3d7

89191383 has 16 divisors (see below), whose sum is σ = 122674176. Its totient is φ = 57610400.

The previous prime is 89191381. The next prime is 89191391. The reversal of 89191383 is 38319198.

It is a happy number.

It is not a de Polignac number, because 89191383 - 21 = 89191381 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89191381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11110 + ... + 17372.

It is an arithmetic number, because the mean of its divisors is an integer number (7667136).

Almost surely, 289191383 is an apocalyptic number.

89191383 is a deficient number, since it is larger than the sum of its proper divisors (33482793).

89191383 is a wasteful number, since it uses less digits than its factorization.

89191383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414.

The product of its digits is 46656, while the sum is 42.

The square root of 89191383 is about 9444.1189636726. The cubic root of 89191383 is about 446.7943090195.

The spelling of 89191383 in words is "eighty-nine million, one hundred ninety-one thousand, three hundred eighty-three".

Divisors: 1 3 47 101 141 303 4747 6263 14241 18789 294361 632563 883083 1897689 29730461 89191383