Search a number
-
+
4947937 = 5219497
BaseRepresentation
bin10010110111111111100001
3100022101021221
4102313333201
52231313222
6254015041
760025321
oct22677741
910271257
104947937
11287a505
1217a7481
131043197
1492b281
1567b0c7
hex4b7fe1

4947937 has 4 divisors (see below), whose sum is σ = 4957956. Its totient is φ = 4937920.

The previous prime is 4947871. The next prime is 4947949. The reversal of 4947937 is 7397494.

It is a happy number.

4947937 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.

It can be written as a sum of positive squares in 2 ways, for example, as 720801 + 4227136 = 849^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 4947937 - 219 = 4423649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4947893 and 4947902.

It is not an unprimeable number, because it can be changed into a prime (4947337) 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, 4228 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (1239489).

Almost surely, 24947937 is an apocalyptic number.

It is an amenable number.

4947937 is a deficient number, since it is larger than the sum of its proper divisors (10019).

4947937 is an equidigital number, since it uses as much as digits as its factorization.

4947937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018.

The product of its digits is 190512, while the sum is 43.

The square root of 4947937 is about 2224.3958730406. The cubic root of 4947937 is about 170.4020128227.

The spelling of 4947937 in words is "four million, nine hundred forty-seven thousand, nine hundred thirty-seven".

Divisors: 1 521 9497 4947937