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2140422241 = 2817617161
BaseRepresentation
bin111111110010100…
…0100000001100001
312112011120201022211
41333211010001201
513340422002431
6552220402121
7104020201036
oct17745040141
95464521284
102140422241
119a9237a01
124b89a6341
132815a1949
141643ad38d
15c7d9e2b1
hex7f944061

2140422241 has 4 divisors (see below), whose sum is σ = 2148039684. Its totient is φ = 2132804800.

The previous prime is 2140422173. The next prime is 2140422283. The reversal of 2140422241 is 1422240412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1779574225 + 360848016 = 42185^2 + 18996^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140422241 - 29 = 2140421729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140426241) 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, 3808300 + ... + 3808861.

It is an arithmetic number, because the mean of its divisors is an integer number (537009921).

Almost surely, 22140422241 is an apocalyptic number.

It is an amenable number.

2140422241 is a deficient number, since it is larger than the sum of its proper divisors (7617443).

2140422241 is an equidigital number, since it uses as much as digits as its factorization.

2140422241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617442.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2140422241 is about 46264.6975673677. The cubic root of 2140422241 is about 1288.7434915722.

Adding to 2140422241 its reverse (1422240412), we get a palindrome (3562662653).

The spelling of 2140422241 in words is "two billion, one hundred forty million, four hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 281 7617161 2140422241