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89359209 = 322321372
BaseRepresentation
bin1010101001110…
…00001101101001
320020010220210100
411110320031221
5140333443314
612511140013
72133353322
oct524701551
9206126710
1089359209
1146493995
1225b14609
1315689394
14bc21449
157ca1c09
hex5538369

89359209 has 27 divisors (see below), whose sum is σ = 135922423. Its totient is φ = 56566752.

The previous prime is 89359201. The next prime is 89359271. The reversal of 89359209 is 90295398.

89359209 = 13 + 23 + ... + 1373.

The square root of 89359209 is 9453.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 52490025 + 36869184 = 7245^2 + 6072^2 .

It is not a de Polignac number, because 89359209 - 23 = 89359201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89359201) 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 26 ways as a sum of consecutive naturals, for example, 652189 + ... + 652325.

Almost surely, 289359209 is an apocalyptic number.

89359209 is the 9453-rd square number.

89359209 is the 4727-th centered octagonal number.

It is an amenable number.

89359209 is a deficient number, since it is larger than the sum of its proper divisors (46563214).

89359209 is a wasteful number, since it uses less digits than its factorization.

89359209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The cubic root of 89359209 is about 447.0743686603.

The spelling of 89359209 in words is "eighty-nine million, three hundred fifty-nine thousand, two hundred nine".

Divisors: 1 3 9 23 69 137 207 411 529 1233 1587 3151 4761 9453 18769 28359 56307 72473 168921 217419 431687 652257 1295061 3885183 9928801 29786403 89359209