Search a number
-
+
2978073 = 33722251
BaseRepresentation
bin1011010111000100011001
312121022011000
423113010121
51230244243
6143455213
734212300
oct13270431
95538130
102978073
11175451a
12bb7509
13803697
14577437
153dc5d3
hex2d7119

2978073 has 24 divisors (see below), whose sum is σ = 5134560. Its totient is φ = 1701000.

The previous prime is 2978071. The next prime is 2978089. The reversal of 2978073 is 3708792.

2978073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2978073 - 21 = 2978071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2978071) 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 23 ways as a sum of consecutive naturals, for example, 198 + ... + 2448.

It is an arithmetic number, because the mean of its divisors is an integer number (213940).

22978073 is an apocalyptic number.

It is an amenable number.

2978073 is a deficient number, since it is larger than the sum of its proper divisors (2156487).

2978073 is a wasteful number, since it uses less digits than its factorization.

2978073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274 (or 2261 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2978073 is about 1725.7094193403. The cubic root of 2978073 is about 143.8727173883.

The spelling of 2978073 in words is "two million, nine hundred seventy-eight thousand, seventy-three".

Divisors: 1 3 7 9 21 27 49 63 147 189 441 1323 2251 6753 15757 20259 47271 60777 110299 141813 330897 425439 992691 2978073