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89480225 = 5229831487
BaseRepresentation
bin1010101010101…
…01110000100001
320020101001210102
411111111300201
5140401331400
612513512145
72134366202
oct525256041
9206331712
1089480225
11465668aa
1225b72655
13156cc4a3
14bc535a9
157cc79d5
hex5555c21

89480225 has 24 divisors (see below), whose sum is σ = 116242560. Its totient is φ = 68237120.

The previous prime is 89480221. The next prime is 89480239. The reversal of 89480225 is 52208498.

It is not a de Polignac number, because 89480225 - 22 = 89480221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89480221) 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, 59432 + ... + 60918.

It is an arithmetic number, because the mean of its divisors is an integer number (4843440).

Almost surely, 289480225 is an apocalyptic number.

It is an amenable number.

89480225 is a deficient number, since it is larger than the sum of its proper divisors (26762335).

89480225 is a wasteful number, since it uses less digits than its factorization.

89480225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 89480225 is about 9459.3987652493. The cubic root of 89480225 is about 447.2760965980.

The spelling of 89480225 in words is "eighty-nine million, four hundred eighty thousand, two hundred twenty-five".

Divisors: 1 5 25 29 83 145 415 725 1487 2075 2407 7435 12035 37175 43123 60175 123421 215615 617105 1078075 3085525 3579209 17896045 89480225