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916001 = 5631627
BaseRepresentation
bin11011111101000100001
31201112111222
43133220201
5213303001
631344425
710533362
oct3375041
91645458
10916001
11576229
12382115
13260c18
1419bb69
1513161b
hexdfa21

916001 has 4 divisors (see below), whose sum is σ = 918192. Its totient is φ = 913812.

The previous prime is 915991. The next prime is 916031. The reversal of 916001 is 100619.

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: 100619 = 239421.

It is a cyclic number.

It is not a de Polignac number, because 916001 - 214 = 899617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916031) 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, 251 + ... + 1376.

It is an arithmetic number, because the mean of its divisors is an integer number (229548).

2916001 is an apocalyptic number.

It is an amenable number.

916001 is a deficient number, since it is larger than the sum of its proper divisors (2191).

916001 is a wasteful number, since it uses less digits than its factorization.

916001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 916001 is about 957.0794115433. The cubic root of 916001 is about 97.1177582834.

The spelling of 916001 in words is "nine hundred sixteen thousand, one".

Divisors: 1 563 1627 916001