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9000057 = 3112231223
BaseRepresentation
bin100010010101…
…010001111001
3121221020202110
4202111101321
54301000212
6520522533
7136333143
oct42252171
917836673
109000057
115097970
123020449
131b316a1
1412a3c93
15bcba3c
hex895479

9000057 has 16 divisors (see below), whose sum is σ = 13160448. Its totient is φ = 5425680.

The previous prime is 9000049. The next prime is 9000059. The reversal of 9000057 is 7500009.

It is not a de Polignac number, because 9000057 - 23 = 9000049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8999997 and 9000042.

It is not an unprimeable number, because it can be changed into a prime (9000059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6748 + ... + 7970.

It is an arithmetic number, because the mean of its divisors is an integer number (822528).

Almost surely, 29000057 is an apocalyptic number.

It is an amenable number.

9000057 is a deficient number, since it is larger than the sum of its proper divisors (4160391).

9000057 is a wasteful number, since it uses less digits than its factorization.

9000057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 9000057 is about 3000.0094999850. The cubic root of 9000057 is about 208.0088214331.

The spelling of 9000057 in words is "nine million, fifty-seven", and thus it is an aban number and an uban number.

Divisors: 1 3 11 33 223 669 1223 2453 3669 7359 13453 40359 272729 818187 3000019 9000057