Search a number
-
+
1200340441 = 11631032107
BaseRepresentation
bin100011110001011…
…1011110111011001
310002122122121112101
41013202323313121
54424241343231
6315035243401
741513503546
oct10742736731
93078577471
101200340441
115666195a3
12295ba9561
131618b3421
14b55bbbcd
15705a6661
hex478bbdd9

1200340441 has 4 divisors (see below), whose sum is σ = 1201373712. Its totient is φ = 1199307172.

The previous prime is 1200340391. The next prime is 1200340481. The reversal of 1200340441 is 1440430021.

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: 1440430021 = 3947364943.

It is a cyclic number.

It is not a de Polignac number, because 1200340441 - 29 = 1200339929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200340481) 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, 514891 + ... + 517216.

It is an arithmetic number, because the mean of its divisors is an integer number (300343428).

Almost surely, 21200340441 is an apocalyptic number.

It is an amenable number.

1200340441 is a deficient number, since it is larger than the sum of its proper divisors (1033271).

1200340441 is a wasteful number, since it uses less digits than its factorization.

1200340441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033270.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1200340441 is about 34645.9296454865. The cubic root of 1200340441 is about 1062.7590520547.

Adding to 1200340441 its reverse (1440430021), we get a palindrome (2640770462).

The spelling of 1200340441 in words is "one billion, two hundred million, three hundred forty thousand, four hundred forty-one".

Divisors: 1 1163 1032107 1200340441