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9097117 = 43121107
BaseRepresentation
bin100010101100…
…111110011101
3122010011220021
4202230332131
54312101432
6522552141
7140216131
oct42547635
918104807
109097117
115153887
123068651
131b66913
1412cb3c1
15bea697
hex8acf9d

9097117 has 4 divisors (see below), whose sum is σ = 9118656. Its totient is φ = 9075580.

The previous prime is 9097111. The next prime is 9097129. The reversal of 9097117 is 7117909.

It is a happy number.

9097117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 7117909 = 15745337.

It is a cyclic number.

It is not a de Polignac number, because 9097117 - 219 = 8572829 is a prime.

It is a Duffinian number.

9097117 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9097111) 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, 10123 + ... + 10984.

It is an arithmetic number, because the mean of its divisors is an integer number (2279664).

Almost surely, 29097117 is an apocalyptic number.

It is an amenable number.

9097117 is a deficient number, since it is larger than the sum of its proper divisors (21539).

9097117 is a wasteful number, since it uses less digits than its factorization.

9097117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21538.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 9097117 is about 3016.1427353492. The cubic root of 9097117 is about 208.7538978798.

The spelling of 9097117 in words is "nine million, ninety-seven thousand, one hundred seventeen".

Divisors: 1 431 21107 9097117