Search a number
-
+
4780823 is a prime number
BaseRepresentation
bin10010001111001100010111
322222220001112
4102033030113
52210441243
6250245235
755431155
oct22171427
98886045
104780823
1127759a3
12172681b
13cb50b8
148c63d5
15646818
hex48f317

4780823 has 2 divisors, whose sum is σ = 4780824. Its totient is φ = 4780822.

The previous prime is 4780819. The next prime is 4780861. The reversal of 4780823 is 3280874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4780823 - 22 = 4780819 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4780823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4782823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390411 + 2390412.

It is an arithmetic number, because the mean of its divisors is an integer number (2390412).

Almost surely, 24780823 is an apocalyptic number.

4780823 is a deficient number, since it is larger than the sum of its proper divisors (1).

4780823 is an equidigital number, since it uses as much as digits as its factorization.

4780823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 4780823 is about 2186.5093185258. The cubic root of 4780823 is about 168.4615872779.

The spelling of 4780823 in words is "four million, seven hundred eighty thousand, eight hundred twenty-three".