[go: up one dir, main page]

Search a number
-
+
4788493 is a prime number
BaseRepresentation
bin10010010001000100001101
3100000021120121
4102101010031
52211212433
6250344541
755462423
oct22210415
910007517
104788493
112780736
12172b151
13cb8738
148c9113
15648c2d
hex49110d

4788493 has 2 divisors, whose sum is σ = 4788494. Its totient is φ = 4788492.

The previous prime is 4788491. The next prime is 4788517. The reversal of 4788493 is 3948874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4721929 + 66564 = 2173^2 + 258^2 .

It is a cyclic number.

It is not a de Polignac number, because 4788493 - 21 = 4788491 is a prime.

It is a super-2 number, since 2×47884932 = 45859330422098, which contains 22 as substring.

Together with 4788491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4788491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2394246 + 2394247.

It is an arithmetic number, because the mean of its divisors is an integer number (2394247).

Almost surely, 24788493 is an apocalyptic number.

It is an amenable number.

4788493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4788493 is an equidigital number, since it uses as much as digits as its factorization.

4788493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 4788493 is about 2188.2625528030. The cubic root of 4788493 is about 168.5516282608.

The spelling of 4788493 in words is "four million, seven hundred eighty-eight thousand, four hundred ninety-three".