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1140235321 = 2774116373
BaseRepresentation
bin100001111110110…
…1001110000111001
32221110112221210211
41003331221300321
54313400012241
6305051111121
740153561141
oct10375516071
92843487724
101140235321
115356a6745
12279a424a1
131522ca674
14ab613921
156a182781
hex43f69c39

1140235321 has 4 divisors (see below), whose sum is σ = 1144351972. Its totient is φ = 1136118672.

The previous prime is 1140235319. The next prime is 1140235331. The reversal of 1140235321 is 1235320411.

It is a happy number.

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 718508025 + 421727296 = 26805^2 + 20536^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140235321 - 21 = 1140235319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140235292 and 1140235301.

It is not an unprimeable number, because it can be changed into a prime (1140235331) 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, 2057910 + ... + 2058463.

It is an arithmetic number, because the mean of its divisors is an integer number (286087993).

Almost surely, 21140235321 is an apocalyptic number.

It is an amenable number.

1140235321 is a deficient number, since it is larger than the sum of its proper divisors (4116651).

1140235321 is an equidigital number, since it uses as much as digits as its factorization.

1140235321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116650.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1140235321 is about 33767.3706557084. The cubic root of 1140235321 is about 1044.7158010155.

Adding to 1140235321 its reverse (1235320411), we get a palindrome (2375555732).

The spelling of 1140235321 in words is "one billion, one hundred forty million, two hundred thirty-five thousand, three hundred twenty-one".

Divisors: 1 277 4116373 1140235321