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9809113 = 31316423
BaseRepresentation
bin100101011010…
…110011011001
3200110100120111
4211122303121
510002342423
6550124321
7146242666
oct45326331
920410514
109809113
11559a806
1233506a1
132055a12
141434a6d
15cdb60d
hex95acd9

9809113 has 4 divisors (see below), whose sum is σ = 10125568. Its totient is φ = 9492660.

The previous prime is 9809089. The next prime is 9809123. The reversal of 9809113 is 3119089.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9809113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 316423 = 9809113 / (9 + 8 + 0 + 9 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9809123) 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 3 ways as a sum of consecutive naturals, for example, 158181 + ... + 158242.

It is an arithmetic number, because the mean of its divisors is an integer number (2531392).

Almost surely, 29809113 is an apocalyptic number.

It is an amenable number.

9809113 is a deficient number, since it is larger than the sum of its proper divisors (316455).

9809113 is a wasteful number, since it uses less digits than its factorization.

9809113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316454.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 9809113 is about 3131.9503508198. The cubic root of 9809113 is about 214.0638075080.

The spelling of 9809113 in words is "nine million, eight hundred nine thousand, one hundred thirteen".

Divisors: 1 31 316423 9809113