Search a number
-
+
3930709379 = 19206879441
BaseRepresentation
bin1110101001001001…
…1101110110000011
3101010221022201120212
43222102131312003
531022230200004
61450012424335
7166256323052
oct35222356603
911127281525
103930709379
111737868153
129184780ab
134a8470a4c
14294078399
1518013996e
hexea49dd83

3930709379 has 4 divisors (see below), whose sum is σ = 4137588840. Its totient is φ = 3723829920.

The previous prime is 3930709351. The next prime is 3930709397. The reversal of 3930709379 is 9739070393.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9739070393 = 13749159261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3930709379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3930709879) 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, 103439702 + ... + 103439739.

It is an arithmetic number, because the mean of its divisors is an integer number (1034397210).

Almost surely, 23930709379 is an apocalyptic number.

3930709379 is a deficient number, since it is larger than the sum of its proper divisors (206879461).

3930709379 is a wasteful number, since it uses less digits than its factorization.

3930709379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206879460.

The product of its (nonzero) digits is 964467, while the sum is 50.

The square root of 3930709379 is about 62695.3696775129. The cubic root of 3930709379 is about 1578.1816097846.

The spelling of 3930709379 in words is "three billion, nine hundred thirty million, seven hundred nine thousand, three hundred seventy-nine".

Divisors: 1 19 206879441 3930709379