Search a number
-
+
3040730 = 257112359
BaseRepresentation
bin1011100110010111011010
312201111002122
423212113122
51234300410
6145101242
734563050
oct13462732
95644078
103040730
111797600
121027822
13826064
145921d0
15400e55
hex2e65da

3040730 has 48 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 945120.

The previous prime is 3040729. The next prime is 3040733. The reversal of 3040730 is 370403.

It is a junction number, because it is equal to n+sod(n) for n = 3040699 and 3040708.

It is not an unprimeable number, because it can be changed into a prime (3040733) 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 23 ways as a sum of consecutive naturals, for example, 8291 + ... + 8649.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

Almost surely, 23040730 is an apocalyptic number.

3040730 is an abundant number, since it is smaller than the sum of its proper divisors (3853990).

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

3040730 is a wasteful number, since it uses less digits than its factorization.

3040730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 3040730 is about 1743.7689067075. The cubic root of 3040730 is about 144.8747233448.

The spelling of 3040730 in words is "three million, forty thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 121 154 242 359 385 605 718 770 847 1210 1694 1795 2513 3590 3949 4235 5026 7898 8470 12565 19745 25130 27643 39490 43439 55286 86878 138215 217195 276430 304073 434390 608146 1520365 3040730