Search a number
-
+
1140483761 = 1561973019
BaseRepresentation
bin100001111111010…
…0110011010110001
32221111000120121022
41003332212122301
54313430440021
6305100305225
740155644354
oct10376463261
92844016538
101140483761
1153585636a
12279b42215
13152386781
14ab67a29b
156a1d11ab
hex43fa66b1

1140483761 has 4 divisors (see below), whose sum is σ = 1140572400. Its totient is φ = 1140395124.

The previous prime is 1140483739. The next prime is 1140483781. The reversal of 1140483761 is 1673840411.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1140483761 - 218 = 1140221617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140483781) 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, 20891 + ... + 52128.

It is an arithmetic number, because the mean of its divisors is an integer number (285143100).

Almost surely, 21140483761 is an apocalyptic number.

It is an amenable number.

1140483761 is a deficient number, since it is larger than the sum of its proper divisors (88639).

1140483761 is an equidigital number, since it uses as much as digits as its factorization.

1140483761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88638.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1140483761 is about 33771.0491545643. The cubic root of 1140483761 is about 1044.7916714201.

The spelling of 1140483761 in words is "one billion, one hundred forty million, four hundred eighty-three thousand, seven hundred sixty-one".

Divisors: 1 15619 73019 1140483761