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1441442423 = 8179176237
BaseRepresentation
bin101010111101010…
…1010101001110111
310201110022212021102
41111322222221313
510423002124143
6355011040315
750502026021
oct12572525167
93643285242
101441442423
1167a725033
123428a009b
1319c82ba15
14d961d011
158682e0b8
hex55eaaa77

1441442423 has 4 divisors (see below), whose sum is σ = 1441626840. Its totient is φ = 1441258008.

The previous prime is 1441442399. The next prime is 1441442473. The reversal of 1441442423 is 3242441441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3242441441 = 22714283883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1441442423 is a prime.

It is a super-2 number, since 2×14414424232 = 4155512517648221858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441442473) 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, 79940 + ... + 96297.

It is an arithmetic number, because the mean of its divisors is an integer number (360406710).

Almost surely, 21441442423 is an apocalyptic number.

1441442423 is a deficient number, since it is larger than the sum of its proper divisors (184417).

1441442423 is an equidigital number, since it uses as much as digits as its factorization.

1441442423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184416.

The product of its digits is 12288, while the sum is 29.

The square root of 1441442423 is about 37966.3327567991. The cubic root of 1441442423 is about 1129.6201566143.

Adding to 1441442423 its reverse (3242441441), we get a palindrome (4683883864).

The spelling of 1441442423 in words is "one billion, four hundred forty-one million, four hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 8179 176237 1441442423