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960221 = 8910789
BaseRepresentation
bin11101010011011011101
31210210011202
43222123131
5221211341
632325245
711106323
oct3523335
91723152
10960221
115a6479
123a3825
132780a2
141add13
1513e79b
hexea6dd

960221 has 4 divisors (see below), whose sum is σ = 971100. Its totient is φ = 949344.

The previous prime is 960217. The next prime is 960229. The reversal of 960221 is 122069.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 302500 + 657721 = 550^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 960221 - 22 = 960217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 960193 and 960202.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 960221.

It is not an unprimeable number, because it can be changed into a prime (960229) 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, 5306 + ... + 5483.

It is an arithmetic number, because the mean of its divisors is an integer number (242775).

2960221 is an apocalyptic number.

It is an amenable number.

960221 is a deficient number, since it is larger than the sum of its proper divisors (10879).

960221 is a wasteful number, since it uses less digits than its factorization.

960221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 960221 is about 979.9086692136. The cubic root of 960221 is about 98.6560522934.

The spelling of 960221 in words is "nine hundred sixty thousand, two hundred twenty-one".

Divisors: 1 89 10789 960221