Search a number
-
+
4947929 = 7706847
BaseRepresentation
bin10010110111111111011001
3100022101021122
4102313333121
52231313204
6254015025
760025310
oct22677731
910271248
104947929
11287a4a8
1217a7475
13104318c
1492b277
1567b0be
hex4b7fd9

4947929 has 4 divisors (see below), whose sum is σ = 5654784. Its totient is φ = 4241076.

The previous prime is 4947871. The next prime is 4947949. The reversal of 4947929 is 9297494.

4947929 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4947929 - 216 = 4882393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4947929.

It is not an unprimeable number, because it can be changed into a prime (4947949) 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, 353417 + ... + 353430.

It is an arithmetic number, because the mean of its divisors is an integer number (1413696).

Almost surely, 24947929 is an apocalyptic number.

It is an amenable number.

4947929 is a deficient number, since it is larger than the sum of its proper divisors (706855).

4947929 is an equidigital number, since it uses as much as digits as its factorization.

4947929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706854.

The product of its digits is 163296, while the sum is 44.

The square root of 4947929 is about 2224.3940747988. The cubic root of 4947929 is about 170.4019209853.

The spelling of 4947929 in words is "four million, nine hundred forty-seven thousand, nine hundred twenty-nine".

Divisors: 1 7 706847 4947929