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2403240340 = 225120162017
BaseRepresentation
bin1000111100111110…
…1000100110010100
320012111010020222111
42033033220212110
514410212142330
61034245440404
7113361130414
oct21717504624
96174106874
102403240340
111023626046
12570a10104
132c3b81807
1418b264644
15e0eb632a
hex8f3e8994

2403240340 has 12 divisors (see below), whose sum is σ = 5046804756. Its totient is φ = 961296128.

The previous prime is 2403240337. The next prime is 2403240341. The reversal of 2403240340 is 430423042.

2403240340 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 2 ways, for example, as 1898519184 + 504721156 = 43572^2 + 22466^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403240341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60080989 + ... + 60081028.

It is an arithmetic number, because the mean of its divisors is an integer number (420567063).

Almost surely, 22403240340 is an apocalyptic number.

2403240340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403240340 is an abundant number, since it is smaller than the sum of its proper divisors (2643564416).

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

2403240340 is a wasteful number, since it uses less digits than its factorization.

2403240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120162026 (or 120162024 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2403240340 is about 49022.8552820009. The cubic root of 2403240340 is about 1339.4681820696.

Adding to 2403240340 its reverse (430423042), we get a palindrome (2833663382).

The spelling of 2403240340 in words is "two billion, four hundred three million, two hundred forty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 120162017 240324034 480648068 600810085 1201620170 2403240340