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3028071379 = 3781839767
BaseRepresentation
bin1011010001111100…
…1011001111010011
321211000211222000211
42310133023033103
522200141241004
61220250024551
7135016116304
oct26437131723
97730758024
103028071379
1113142a3933
12706118157
13393462718
1420a2327ab
1512ac8b504
hexb47cb3d3

3028071379 has 4 divisors (see below), whose sum is σ = 3109911184. Its totient is φ = 2946231576.

The previous prime is 3028071373. The next prime is 3028071469. The reversal of 3028071379 is 9731708203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9731708203 = 71390244029.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3028071379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3028071373) 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, 40919847 + ... + 40919920.

It is an arithmetic number, because the mean of its divisors is an integer number (777477796).

Almost surely, 23028071379 is an apocalyptic number.

3028071379 is a deficient number, since it is larger than the sum of its proper divisors (81839805).

3028071379 is an equidigital number, since it uses as much as digits as its factorization.

3028071379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81839804.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 3028071379 is about 55027.9145434388. The cubic root of 3028071379 is about 1446.7340491230.

The spelling of 3028071379 in words is "three billion, twenty-eight million, seventy-one thousand, three hundred seventy-nine".

Divisors: 1 37 81839767 3028071379