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2440401343 = 12757191299
BaseRepresentation
bin1001000101110101…
…1001000110111111
320022002001020021221
42101131121012333
514444220320333
61042054134211
7114322032502
oct22135310677
96262036257
102440401343
1110425a7716
12581351367
132cb793083
14192179139
15e43a6d2d
hex917591bf

2440401343 has 4 divisors (see below), whose sum is σ = 2440605400. Its totient is φ = 2440197288.

The previous prime is 2440401311. The next prime is 2440401349. The reversal of 2440401343 is 3431040442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2440401343 - 25 = 2440401311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440401349) 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, 82893 + ... + 108406.

It is an arithmetic number, because the mean of its divisors is an integer number (610151350).

Almost surely, 22440401343 is an apocalyptic number.

2440401343 is a deficient number, since it is larger than the sum of its proper divisors (204057).

2440401343 is a wasteful number, since it uses less digits than its factorization.

2440401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204056.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2440401343 is about 49400.4184496447. The cubic root of 2440401343 is about 1346.3369086948.

Adding to 2440401343 its reverse (3431040442), we get a palindrome (5871441785).

The spelling of 2440401343 in words is "two billion, four hundred forty million, four hundred one thousand, three hundred forty-three".

Divisors: 1 12757 191299 2440401343