Search a number
-
+
2440730 = 25415953
BaseRepresentation
bin1001010011111000011010
311121000001102
421103320122
51111100410
6124151402
726513555
oct11237032
94530042
102440730
111417836
12998562
13675c26
1447769c
153332a5
hex253e1a

2440730 has 16 divisors (see below), whose sum is σ = 4501224. Its totient is φ = 952320.

The previous prime is 2440709. The next prime is 2440733. The reversal of 2440730 is 370442.

It is a happy number.

2440730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 516961 + 1923769 = 719^2 + 1387^2 .

It is not an unprimeable number, because it can be changed into a prime (2440733) 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 7 ways as a sum of consecutive naturals, for example, 2567 + ... + 3386.

22440730 is an apocalyptic number.

2440730 is a deficient number, since it is larger than the sum of its proper divisors (2060494).

2440730 is a wasteful number, since it uses less digits than its factorization.

2440730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2440730 is about 1562.2835850127. The cubic root of 2440730 is about 134.6397344545.

The spelling of 2440730 in words is "two million, four hundred forty thousand, seven hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 5953 11906 29765 59530 244073 488146 1220365 2440730