Search a number
-
+
284725423 is a prime number
BaseRepresentation
bin10000111110001…
…001000010101111
3201211202112212001
4100332021002233
51040342203143
644130353131
710025061163
oct2076110257
9654675761
10284725423
111367a1474
127b42b7a7
1346cb04a8
1429b58ca3
1519ee314d
hex10f890af

284725423 has 2 divisors, whose sum is σ = 284725424. Its totient is φ = 284725422.

The previous prime is 284725391. The next prime is 284725433. The reversal of 284725423 is 324527482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 284725423 - 25 = 284725391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284725433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142362711 + 142362712.

It is an arithmetic number, because the mean of its divisors is an integer number (142362712).

Almost surely, 2284725423 is an apocalyptic number.

284725423 is a deficient number, since it is larger than the sum of its proper divisors (1).

284725423 is an equidigital number, since it uses as much as digits as its factorization.

284725423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 37.

The square root of 284725423 is about 16873.8087875856. The cubic root of 284725423 is about 657.8730296116.

The spelling of 284725423 in words is "two hundred eighty-four million, seven hundred twenty-five thousand, four hundred twenty-three".