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89198983 = 172292367
BaseRepresentation
bin1010101000100…
…01000110000111
320012211210000001
411110101012013
5140313331413
612503502131
72132115226
oct524210607
9205753001
1089198983
1146394575
1225a57947
1315631483
14bbbccbd
157c6e4dd
hex5511187

89198983 has 18 divisors (see below), whose sum is σ = 98402096. Its totient is φ = 80836224.

The previous prime is 89198959. The next prime is 89198987. The reversal of 89198983 is 38989198.

It is not a de Polignac number, because 89198983 - 213 = 89190791 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 (89198987) 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 17 ways as a sum of consecutive naturals, for example, 242866 + ... + 243232.

Almost surely, 289198983 is an apocalyptic number.

89198983 is a deficient number, since it is larger than the sum of its proper divisors (9203113).

89198983 is a wasteful number, since it uses less digits than its factorization.

89198983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 413 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 55.

The square root of 89198983 is about 9444.5213219093. The cubic root of 89198983 is about 446.8069991105.

The spelling of 89198983 in words is "eighty-nine million, one hundred ninety-eight thousand, nine hundred eighty-three".

Divisors: 1 17 29 289 367 493 841 6239 8381 10643 14297 106063 180931 243049 308647 3075827 5246999 89198983