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89198541 = 32171673491
BaseRepresentation
bin1010101000100…
…00111111001101
320012211202101200
411110100333031
5140313323131
612503500113
72132114025
oct524207715
9205752350
1089198541
1146394203
1225a57639
1315631203
14bbbca85
157c6e2e6
hex5510fcd

89198541 has 24 divisors (see below), whose sum is σ = 137277504. Its totient is φ = 55616640.

The previous prime is 89198513. The next prime is 89198567. The reversal of 89198541 is 14589198.

It is not a de Polignac number, because 89198541 - 25 = 89198509 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89198591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23806 + ... + 27296.

It is an arithmetic number, because the mean of its divisors is an integer number (5719896).

Almost surely, 289198541 is an apocalyptic number.

It is an amenable number.

89198541 is a deficient number, since it is larger than the sum of its proper divisors (48078963).

89198541 is a wasteful number, since it uses less digits than its factorization.

89198541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681 (or 3678 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 89198541 is about 9444.4979220708. The cubic root of 89198541 is about 446.8062611013.

The spelling of 89198541 in words is "eighty-nine million, one hundred ninety-eight thousand, five hundred forty-one".

Divisors: 1 3 9 17 51 153 167 501 1503 2839 3491 8517 10473 25551 31419 59347 178041 534123 582997 1748991 5246973 9910949 29732847 89198541