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1140342241 = 4326519587
BaseRepresentation
bin100001111111000…
…0011110111100001
32221110202101110211
41003332003313201
54313411422431
6305053254121
740154514643
oct10376036741
92843671424
101140342241
1153576a005
12279a94341
1315233722c
14ab640893
156a1a42b1
hex43f83de1

1140342241 has 4 divisors (see below), whose sum is σ = 1166861872. Its totient is φ = 1113822612.

The previous prime is 1140342221. The next prime is 1140342251. The reversal of 1140342241 is 1422430411.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1422430411 = 4333079777.

It is a cyclic number.

It is not a de Polignac number, because 1140342241 - 29 = 1140341729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140342221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13259751 + ... + 13259836.

It is an arithmetic number, because the mean of its divisors is an integer number (291715468).

Almost surely, 21140342241 is an apocalyptic number.

It is an amenable number.

1140342241 is a deficient number, since it is larger than the sum of its proper divisors (26519631).

1140342241 is an equidigital number, since it uses as much as digits as its factorization.

1140342241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26519630.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1140342241 is about 33768.9538037529. The cubic root of 1140342241 is about 1044.7484543694.

Adding to 1140342241 its reverse (1422430411), we get a palindrome (2562772652).

The spelling of 1140342241 in words is "one billion, one hundred forty million, three hundred forty-two thousand, two hundred forty-one".

Divisors: 1 43 26519587 1140342241