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2968821 = 32595591
BaseRepresentation
bin1011010100110011110101
312120211110100
423110303311
51230000241
6143344313
734143312
oct13246365
95524410
102968821
111748579
12bb2099
137cc3cb
14573d09
153d99b6
hex2d4cf5

2968821 has 12 divisors (see below), whose sum is σ = 4361760. Its totient is φ = 1945320.

The previous prime is 2968813. The next prime is 2968831. The reversal of 2968821 is 1288692.

It is not a de Polignac number, because 2968821 - 23 = 2968813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2968831) 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 11 ways as a sum of consecutive naturals, for example, 2265 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (363480).

22968821 is an apocalyptic number.

It is an amenable number.

2968821 is a deficient number, since it is larger than the sum of its proper divisors (1392939).

2968821 is a wasteful number, since it uses less digits than its factorization.

2968821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656 (or 5653 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2968821 is about 1723.0266974136. The cubic root of 2968821 is about 143.7235727096.

The spelling of 2968821 in words is "two million, nine hundred sixty-eight thousand, eight hundred twenty-one".

Divisors: 1 3 9 59 177 531 5591 16773 50319 329869 989607 2968821