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1244063423 = 1804968927
BaseRepresentation
bin100101000100110…
…1110011010111111
310012200220222012002
41022021232122333
510021440012143
6323240332515
742554236031
oct11211563277
93180828162
101244063423
11589272299
122a877413b
1316a981705
14bb31dc51
15743415b8
hex4a26e6bf

1244063423 has 4 divisors (see below), whose sum is σ = 1244150400. Its totient is φ = 1243976448.

The previous prime is 1244063419. The next prime is 1244063441. The reversal of 1244063423 is 3243604421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3243604421 = 26912058009.

It is a cyclic number.

It is not a de Polignac number, because 1244063423 - 22 = 1244063419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244063453) 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, 16415 + ... + 52512.

It is an arithmetic number, because the mean of its divisors is an integer number (311037600).

Almost surely, 21244063423 is an apocalyptic number.

1244063423 is a deficient number, since it is larger than the sum of its proper divisors (86977).

1244063423 is an equidigital number, since it uses as much as digits as its factorization.

1244063423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86976.

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

The square root of 1244063423 is about 35271.2832627337. The cubic root of 1244063423 is about 1075.5093091952.

Adding to 1244063423 its reverse (3243604421), we get a palindrome (4487667844).

The spelling of 1244063423 in words is "one billion, two hundred forty-four million, sixty-three thousand, four hundred twenty-three".

Divisors: 1 18049 68927 1244063423