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9000077 = 47191491
BaseRepresentation
bin100010010101…
…010010001101
3121221020210012
4202111102031
54301000302
6520523005
7136333202
oct42252215
917836705
109000077
115097989
123020465
131b316b8
1412a3ca9
15bcba52
hex89548d

9000077 has 4 divisors (see below), whose sum is σ = 9191616. Its totient is φ = 8808540.

The previous prime is 9000067. The next prime is 9000119. The reversal of 9000077 is 7700009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7700009 = 23334783.

It is a cyclic number.

It is not a de Polignac number, because 9000077 - 212 = 8995981 is a prime.

It is a Duffinian number.

9000077 is a modest number, since divided by 77 gives 9 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95699 + ... + 95792.

It is an arithmetic number, because the mean of its divisors is an integer number (2297904).

Almost surely, 29000077 is an apocalyptic number.

It is an amenable number.

9000077 is a deficient number, since it is larger than the sum of its proper divisors (191539).

9000077 is a wasteful number, since it uses less digits than its factorization.

9000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191538.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 9000077 is about 3000.0128333059. The cubic root of 9000077 is about 208.0089755126.

The spelling of 9000077 in words is "nine million, seventy-seven", and thus it is an aban number and an uban number.

Divisors: 1 47 191491 9000077