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8913001 = 12836947
BaseRepresentation
bin100010000000…
…000001101001
3121202211100011
4202000001221
54240204001
6515011521
7135521266
oct42000151
917684304
108913001
115038519
122b99ba1
131b00b86
14128026d
15bb0d51
hex880069

8913001 has 4 divisors (see below), whose sum is σ = 8921232. Its totient is φ = 8904772.

The previous prime is 8912999. The next prime is 8913013. The reversal of 8913001 is 1003198.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8913001 - 21 = 8912999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8913901) 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, 2191 + ... + 4756.

It is an arithmetic number, because the mean of its divisors is an integer number (2230308).

Almost surely, 28913001 is an apocalyptic number.

It is an amenable number.

8913001 is a deficient number, since it is larger than the sum of its proper divisors (8231).

8913001 is a wasteful number, since it uses less digits than its factorization.

8913001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230.

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

The square root of 8913001 is about 2985.4649554131. The cubic root of 8913001 is about 207.3359694618.

Adding to 8913001 its reverse (1003198), we get a palindrome (9916199).

The spelling of 8913001 in words is "eight million, nine hundred thirteen thousand, one".

Divisors: 1 1283 6947 8913001