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1930073039 = 3795092541
BaseRepresentation
bin111001100001010…
…1001001111001111
311222111202212110122
41303002221033033
512423044314124
6515304055155
765554231046
oct16302511717
94874685418
101930073039
11900526494
1245a4644bb
13249b32b6b
1414449555d
15b469d75e
hex730a93cf

1930073039 has 4 divisors (see below), whose sum is σ = 1935165960. Its totient is φ = 1924980120.

The previous prime is 1930073021. The next prime is 1930073071. The reversal of 1930073039 is 9303700391.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1930073039 - 228 = 1661637583 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 (1930073839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545892 + ... + 2546649.

It is an arithmetic number, because the mean of its divisors is an integer number (483791490).

Almost surely, 21930073039 is an apocalyptic number.

1930073039 is a deficient number, since it is larger than the sum of its proper divisors (5092921).

1930073039 is an equidigital number, since it uses as much as digits as its factorization.

1930073039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092920.

The product of its (nonzero) digits is 15309, while the sum is 35.

The square root of 1930073039 is about 43932.5965428860. The cubic root of 1930073039 is about 1245.0627730267.

The spelling of 1930073039 in words is "one billion, nine hundred thirty million, seventy-three thousand, thirty-nine".

Divisors: 1 379 5092541 1930073039