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89204427 = 32134211811
BaseRepresentation
bin1010101000100…
…10011011001011
320012212001110200
411110102123023
5140314020202
612503543243
72132140134
oct524223313
9205761420
1089204427
1146398674
1225a5ab23
1315633ab0
14bbc0c8b
157c70e1c
hex55126cb

89204427 has 24 divisors (see below), whose sum is σ = 139168848. Its totient is φ = 54734400.

The previous prime is 89204393. The next prime is 89204429. The reversal of 89204427 is 72440298.

It is a de Polignac number, because none of the positive numbers 2k-89204427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89204391 and 89204400.

It is not an unprimeable number, because it can be changed into a prime (89204429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48352 + ... + 50162.

It is an arithmetic number, because the mean of its divisors is an integer number (5798702).

Almost surely, 289204427 is an apocalyptic number.

89204427 is a deficient number, since it is larger than the sum of its proper divisors (49964421).

89204427 is a wasteful number, since it uses less digits than its factorization.

89204427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 89204427 is about 9444.8095269307. The cubic root of 89204427 is about 446.8160887800.

The spelling of 89204427 in words is "eighty-nine million, two hundred four thousand, four hundred twenty-seven".

Divisors: 1 3 9 13 39 117 421 1263 1811 3789 5433 5473 16299 16419 23543 49257 70629 211887 762431 2287293 6861879 9911603 29734809 89204427