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9813001 = 11892091
BaseRepresentation
bin100101011011…
…110000001001
3200110112220111
4211123300021
510003004001
6550154321
7146260222
oct45336011
920415814
109813001
1155a2720
1233529a1
132057713
141436249
15cdc851
hex95bc09

9813001 has 4 divisors (see below), whose sum is σ = 10705104. Its totient is φ = 8920900.

The previous prime is 9812993. The next prime is 9813043. The reversal of 9813001 is 1003189.

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: 1003189 = 1191199.

It is a cyclic number.

It is not a de Polignac number, because 9813001 - 23 = 9812993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9813061) 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 3 ways as a sum of consecutive naturals, for example, 446035 + ... + 446056.

It is an arithmetic number, because the mean of its divisors is an integer number (2676276).

Almost surely, 29813001 is an apocalyptic number.

It is an amenable number.

9813001 is a deficient number, since it is larger than the sum of its proper divisors (892103).

9813001 is a wasteful number, since it uses less digits than its factorization.

9813001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892102.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 9813001 is about 3132.5709888205. The cubic root of 9813001 is about 214.0920863185.

The spelling of 9813001 in words is "nine million, eight hundred thirteen thousand, one".

Divisors: 1 11 892091 9813001