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1442113443 = 33371443557
BaseRepresentation
bin101010111110100…
…1110011110100011
310201111120221202000
41111331032132203
510423140112233
6355033255043
750510522241
oct12575163643
93644527660
101442113443
116800431a1
12342b64483
1319ca05284
14d9755791
1586912d13
hex55f4e7a3

1442113443 has 16 divisors (see below), whose sum is σ = 2194208160. Its totient is φ = 935424288.

The previous prime is 1442113429. The next prime is 1442113469. The reversal of 1442113443 is 3443112441.

1442113443 is a `hidden beast` number, since 1 + 4 + 4 + 211 + 3 + 443 = 666.

It is not a de Polignac number, because 1442113443 - 213 = 1442105251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1442113843) 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 15 ways as a sum of consecutive naturals, for example, 720780 + ... + 722777.

It is an arithmetic number, because the mean of its divisors is an integer number (137138010).

Almost surely, 21442113443 is an apocalyptic number.

1442113443 is a deficient number, since it is larger than the sum of its proper divisors (752094717).

1442113443 is a wasteful number, since it uses less digits than its factorization.

1442113443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443603 (or 1443597 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1442113443 is about 37975.1687685519. The cubic root of 1442113443 is about 1129.7954162743.

Adding to 1442113443 its reverse (3443112441), we get a palindrome (4885225884).

The spelling of 1442113443 in words is "one billion, four hundred forty-two million, one hundred thirteen thousand, four hundred forty-three".

Divisors: 1 3 9 27 37 111 333 999 1443557 4330671 12992013 38976039 53411609 160234827 480704481 1442113443