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3928074923 = 35311127691
BaseRepresentation
bin1110101000100001…
…1010101010101011
3101010202100212210102
43222020122222223
531021041344143
61445440140015
7166225041323
oct35210325253
911122325712
103928074923
111736328913
1291760760b
134a7a5a8b6
14293990283
1517ecb90b8
hexea21aaab

3928074923 has 4 divisors (see below), whose sum is σ = 3939202968. Its totient is φ = 3916946880.

The previous prime is 3928074901. The next prime is 3928074937. The reversal of 3928074923 is 3294708293.

3928074923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3294708293 = 24781132953.

It is a cyclic number.

It is not a de Polignac number, because 3928074923 - 224 = 3911297707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3928074973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5563493 + ... + 5564198.

It is an arithmetic number, because the mean of its divisors is an integer number (984800742).

Almost surely, 23928074923 is an apocalyptic number.

3928074923 is a deficient number, since it is larger than the sum of its proper divisors (11128045).

3928074923 is a wasteful number, since it uses less digits than its factorization.

3928074923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11128044.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 3928074923 is about 62674.3561833706. The cubic root of 3928074923 is about 1577.8289525576.

The spelling of 3928074923 in words is "three billion, nine hundred twenty-eight million, seventy-four thousand, nine hundred twenty-three".

Divisors: 1 353 11127691 3928074923