Search a number
-
+
3144244313 = 7449177759
BaseRepresentation
bin1011101101101001…
…0101110001011001
322010010110011100002
42323122111301121
522414411304223
61240000022345
7140626431020
oct27332256131
98103404302
103144244313
111373931321
127390019b5
133b15496c2
1421b8338b7
15136087e28
hexbb695c59

3144244313 has 4 divisors (see below), whose sum is σ = 3593422080. Its totient is φ = 2695066548.

The previous prime is 3144244309. The next prime is 3144244361. The reversal of 3144244313 is 3134424413.

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.

It is a cyclic number.

It is not a de Polignac number, because 3144244313 - 22 = 3144244309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144244813) 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, 224588873 + ... + 224588886.

It is an arithmetic number, because the mean of its divisors is an integer number (898355520).

Almost surely, 23144244313 is an apocalyptic number.

It is an amenable number.

3144244313 is a deficient number, since it is larger than the sum of its proper divisors (449177767).

3144244313 is an equidigital number, since it uses as much as digits as its factorization.

3144244313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449177766.

The product of its digits is 13824, while the sum is 29.

The square root of 3144244313 is about 56073.5616222119. The cubic root of 3144244313 is about 1465.0038343192.

Adding to 3144244313 its reverse (3134424413), we get a palindrome (6278668726).

The spelling of 3144244313 in words is "three billion, one hundred forty-four million, two hundred forty-four thousand, three hundred thirteen".

Divisors: 1 7 449177759 3144244313