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88900445 = 561728817
BaseRepresentation
bin1010100110010…
…00001101011101
320012021121111002
411103020031131
5140224303240
612453240045
72126432654
oct523101535
9205247432
1088900445
1146200247
1225933025
131555861a
14bb4219b
157c10d15
hex54c835d

88900445 has 8 divisors (see below), whose sum is σ = 106857144. Its totient is φ = 71002624.

The previous prime is 88900417. The next prime is 88900477. The reversal of 88900445 is 54400988.

It can be written as a sum of positive squares in 4 ways, for example, as 8421604 + 80478841 = 2902^2 + 8971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88900445 - 218 = 88638301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 88900399 and 88900408.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11324 + ... + 17493.

It is an arithmetic number, because the mean of its divisors is an integer number (13357143).

Almost surely, 288900445 is an apocalyptic number.

It is an amenable number.

88900445 is a deficient number, since it is larger than the sum of its proper divisors (17956699).

88900445 is a wasteful number, since it uses less digits than its factorization.

88900445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29439.

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

The square root of 88900445 is about 9428.7032512430. The cubic root of 88900445 is about 446.3079726539.

The spelling of 88900445 in words is "eighty-eight million, nine hundred thousand, four hundred forty-five".

Divisors: 1 5 617 3085 28817 144085 17780089 88900445