Search a number
-
+
2996784 = 24337991
BaseRepresentation
bin1011011011101000110000
312122020211000
423123220300
51231344114
6144122000
734320660
oct13335060
95566730
102996784
11176758a
121006300
1380c05b
145801a0
153e2e09
hex2dba30

2996784 has 80 divisors (see below), whose sum is σ = 9840640. Its totient is φ = 855360.

The previous prime is 2996783. The next prime is 2996789. The reversal of 2996784 is 4876992.

It is a happy number.

2996784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2996783) 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 15 ways as a sum of consecutive naturals, for example, 2529 + ... + 3519.

It is an arithmetic number, because the mean of its divisors is an integer number (123008).

22996784 is an apocalyptic number.

2996784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2996784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4920320).

2996784 is an abundant number, since it is smaller than the sum of its proper divisors (6843856).

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

2996784 is a wasteful number, since it uses less digits than its factorization.

2996784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 1003 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2996784 is about 1731.1221793969. The cubic root of 2996784 is about 144.1734022195.

The spelling of 2996784 in words is "two million, nine hundred ninety-six thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 216 252 336 378 432 504 756 991 1008 1512 1982 2973 3024 3964 5946 6937 7928 8919 11892 13874 15856 17838 20811 23784 26757 27748 35676 41622 47568 53514 55496 62433 71352 83244 107028 110992 124866 142704 166488 187299 214056 249732 332976 374598 428112 499464 749196 998928 1498392 2996784