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1442194934 = 2721097467
BaseRepresentation
bin101010111110110…
…0010010111110110
310201111202002112012
41111331202113312
510423200214214
6355035124222
750511311645
oct12575422766
93644662465
101442194934
11680099444
12342ba3672
1319ca333ab
14d977735c
158692c03e
hex55f625f6

1442194934 has 4 divisors (see below), whose sum is σ = 2163292404. Its totient is φ = 721097466.

The previous prime is 1442194909. The next prime is 1442194937. The reversal of 1442194934 is 4394912441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4394912441 = 21532041297.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1442194891 and 1442194900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442194937) 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 as a sum of consecutive naturals, namely, 360548732 + ... + 360548735.

It is an arithmetic number, because the mean of its divisors is an integer number (540823101).

Almost surely, 21442194934 is an apocalyptic number.

1442194934 is a deficient number, since it is larger than the sum of its proper divisors (721097470).

1442194934 is an equidigital number, since it uses as much as digits as its factorization.

1442194934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721097469.

The product of its digits is 124416, while the sum is 41.

The square root of 1442194934 is about 37976.2417045184. The cubic root of 1442194934 is about 1129.8166967139.

The spelling of 1442194934 in words is "one billion, four hundred forty-two million, one hundred ninety-four thousand, nine hundred thirty-four".

Divisors: 1 2 721097467 1442194934