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1441427047 = 2931149177
BaseRepresentation
bin101010111101010…
…0110111001100111
310201110022002011221
41111322212321213
510423001131142
6355010441211
750501633134
oct12572467147
93643262157
101441427047
1167a714525
12342893207
1319c824a18
14d961758b
1586829767
hex55ea6e67

1441427047 has 4 divisors (see below), whose sum is σ = 1441505536. Its totient is φ = 1441348560.

The previous prime is 1441427021. The next prime is 1441427051. The reversal of 1441427047 is 7407241441.

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: 7407241441 = 42611738381.

It is a cyclic number.

It is not a de Polignac number, because 1441427047 - 27 = 1441426919 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 (1441427747) 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, 4723 + ... + 53899.

It is an arithmetic number, because the mean of its divisors is an integer number (360376384).

Almost surely, 21441427047 is an apocalyptic number.

1441427047 is a deficient number, since it is larger than the sum of its proper divisors (78489).

1441427047 is an equidigital number, since it uses as much as digits as its factorization.

1441427047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78488.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 1441427047 is about 37966.1302610630. The cubic root of 1441427047 is about 1129.6161400123.

Adding to 1441427047 its reverse (7407241441), we get a palindrome (8848668488).

The spelling of 1441427047 in words is "one billion, four hundred forty-one million, four hundred twenty-seven thousand, forty-seven".

Divisors: 1 29311 49177 1441427047