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2960021 = 6314691
BaseRepresentation
bin1011010010101010010101
312120101101102
423102222111
51224210041
6143235445
734105541
oct13225225
95511342
102960021
1117419a9
12ba8b85
137c83bc
14570a21
153d709b
hex2d2a95

2960021 has 4 divisors (see below), whose sum is σ = 2965344. Its totient is φ = 2954700.

The previous prime is 2960017. The next prime is 2960033. The reversal of 2960021 is 1200692.

2960021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2960021 - 22 = 2960017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2959975 and 2960002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2960011) 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, 1715 + ... + 2976.

It is an arithmetic number, because the mean of its divisors is an integer number (741336).

22960021 is an apocalyptic number.

It is an amenable number.

2960021 is a deficient number, since it is larger than the sum of its proper divisors (5323).

2960021 is an equidigital number, since it uses as much as digits as its factorization.

2960021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322.

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

The square root of 2960021 is about 1720.4711563987. The cubic root of 2960021 is about 143.5814265904.

The spelling of 2960021 in words is "two million, nine hundred sixty thousand, twenty-one".

Divisors: 1 631 4691 2960021