Search a number
-
+
6221968 = 241997211
BaseRepresentation
bin10111101111000010010000
3102201002221021
4113233002100
53043100333
6341205224
7103612564
oct27570220
912632837
106221968
11356a725
122100814
13139b04c
14b7d6a4
1582d82d
hex5ef090

6221968 has 40 divisors (see below), whose sum is σ = 12881120. Its totient is φ = 2903040.

The previous prime is 6221953. The next prime is 6221977. The reversal of 6221968 is 8691226.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29383 + ... + 29593.

It is an arithmetic number, because the mean of its divisors is an integer number (322028).

Almost surely, 26221968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6221968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6440560).

6221968 is an abundant number, since it is smaller than the sum of its proper divisors (6659152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6221968 is a wasteful number, since it uses less digits than its factorization.

6221968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 329 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 6221968 is about 2494.3872995187. The cubic root of 6221968 is about 183.9257734633.

The spelling of 6221968 in words is "six million, two hundred twenty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 19 38 76 97 152 194 211 304 388 422 776 844 1552 1688 1843 3376 3686 4009 7372 8018 14744 16036 20467 29488 32072 40934 64144 81868 163736 327472 388873 777746 1555492 3110984 6221968