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9009005 = 55930539
BaseRepresentation
bin100010010111…
…011101101101
3121221201000212
4202113131231
54301242010
6521032205
7136401215
oct42273555
917851025
109009005
1150a3665
123025665
131b35795
1412a7245
15bce505
hex89776d

9009005 has 8 divisors (see below), whose sum is σ = 10994400. Its totient is φ = 7084816.

The previous prime is 9008981. The next prime is 9009017. The reversal of 9009005 is 5009009.

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 9009005 - 212 = 9004909 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14975 + ... + 15564.

It is an arithmetic number, because the mean of its divisors is an integer number (1374300).

Almost surely, 29009005 is an apocalyptic number.

It is an amenable number.

9009005 is a deficient number, since it is larger than the sum of its proper divisors (1985395).

9009005 is a wasteful number, since it uses less digits than its factorization.

9009005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30603.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 9009005 is about 3001.5004581042. The cubic root of 9009005 is about 208.0777338278.

The spelling of 9009005 in words is "nine million, nine thousand, five".

Divisors: 1 5 59 295 30539 152695 1801801 9009005