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2440142843 = 5361337507
BaseRepresentation
bin1001000101110001…
…1001111111111011
320022001120002200212
42101130121333323
514444134032333
61042044421335
7114316605035
oct22134317773
96261502625
102440142843
111042440486
1258124784b
132cb702508
1419210cc55
15e4355448
hex91719ffb

2440142843 has 8 divisors (see below), whose sum is σ = 2486919888. Its totient is φ = 2393393184.

The previous prime is 2440142833. The next prime is 2440142863. The reversal of 2440142843 is 3482410442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2440142843 - 210 = 2440141819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440142833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321296 + ... + 328802.

It is an arithmetic number, because the mean of its divisors is an integer number (310864986).

Almost surely, 22440142843 is an apocalyptic number.

2440142843 is a deficient number, since it is larger than the sum of its proper divisors (46777045).

2440142843 is an equidigital number, since it uses as much as digits as its factorization.

2440142843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 2440142843 is about 49397.8020057573. The cubic root of 2440142843 is about 1346.2893700142.

The spelling of 2440142843 in words is "two billion, four hundred forty million, one hundred forty-two thousand, eight hundred forty-three".

Divisors: 1 53 6133 7507 325049 397871 46040431 2440142843