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2140344241 = 7305763463
BaseRepresentation
bin111111110010011…
…0000111110110001
312112011102202022221
41333210300332301
513340412003431
6552215001041
7104016424450
oct17744607661
95464382287
102140344241
119a9194342
124b8969181
132815752a9
1416438cb97
15c7d86111
hex7f930fb1

2140344241 has 4 divisors (see below), whose sum is σ = 2446107712. Its totient is φ = 1834580772.

The previous prime is 2140344211. The next prime is 2140344247. The reversal of 2140344241 is 1424430412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2140344241 - 27 = 2140344113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140344247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152881725 + ... + 152881738.

It is an arithmetic number, because the mean of its divisors is an integer number (611526928).

Almost surely, 22140344241 is an apocalyptic number.

It is an amenable number.

2140344241 is a deficient number, since it is larger than the sum of its proper divisors (305763471).

2140344241 is an equidigital number, since it uses as much as digits as its factorization.

2140344241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305763470.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2140344241 is about 46263.8545843297. The cubic root of 2140344241 is about 1288.7278368396.

Adding to 2140344241 its reverse (1424430412), we get a palindrome (3564774653).

The spelling of 2140344241 in words is "two billion, one hundred forty million, three hundred forty-four thousand, two hundred forty-one".

Divisors: 1 7 305763463 2140344241