Search a number
-
+
4788481 is a prime number
BaseRepresentation
bin10010010001000100000001
3100000021120011
4102101010001
52211212411
6250344521
755462405
oct22210401
910007504
104788481
112780725
12172b141
13cb8729
148c9105
15648c21
hex491101

4788481 has 2 divisors, whose sum is σ = 4788482. Its totient is φ = 4788480.

The previous prime is 4788473. The next prime is 4788491. The reversal of 4788481 is 1848874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2873025 + 1915456 = 1695^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 4788481 - 23 = 4788473 is a prime.

It is a super-2 number, since 2×47884812 = 45859100574722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4788401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2394240 + 2394241.

It is an arithmetic number, because the mean of its divisors is an integer number (2394241).

Almost surely, 24788481 is an apocalyptic number.

It is an amenable number.

4788481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4788481 is an equidigital number, since it uses as much as digits as its factorization.

4788481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57344, while the sum is 40.

The square root of 4788481 is about 2188.2598109000. The cubic root of 4788481 is about 168.5514874635.

The spelling of 4788481 in words is "four million, seven hundred eighty-eight thousand, four hundred eighty-one".