Search a number
-
+
2981024 = 25194903
BaseRepresentation
bin1011010111110010100000
312121110012022
423113302200
51230343044
6143521012
734224014
oct13276240
95543168
102981024
111756762
12bb9168
13804b27
14578544
153dd3ee
hex2d7ca0

2981024 has 24 divisors (see below), whose sum is σ = 6179040. Its totient is φ = 1411776.

The previous prime is 2981023. The next prime is 2981029. The reversal of 2981024 is 4201892.

2981024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2980984 and 2981002.

It is not an unprimeable number, because it can be changed into a prime (2981021) 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, 1844 + ... + 3059.

It is an arithmetic number, because the mean of its divisors is an integer number (257460).

22981024 is an apocalyptic number.

It is an amenable number.

2981024 is an abundant number, since it is smaller than the sum of its proper divisors (3198016).

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

2981024 is a wasteful number, since it uses less digits than its factorization.

2981024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932 (or 4924 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2981024 is about 1726.5642183249. The cubic root of 2981024 is about 143.9202233012.

The spelling of 2981024 in words is "two million, nine hundred eighty-one thousand, twenty-four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 4903 9806 19612 39224 78448 93157 156896 186314 372628 745256 1490512 2981024