Search a number
-
+
4284857 is a prime number
BaseRepresentation
bin10000010110000110111001
322001200201102
4100112012321
52044103412
6231501145
751264203
oct20260671
98050642
104284857
112467305
1215277b5
13b70425
147d7773
155998c2
hex4161b9

4284857 has 2 divisors, whose sum is σ = 4284858. Its totient is φ = 4284856.

The previous prime is 4284827. The next prime is 4284871. The reversal of 4284857 is 7584824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4280761 + 4096 = 2069^2 + 64^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4284857 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4284857.

It is not a weakly prime, because it can be changed into another prime (4284817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2142428 + 2142429.

It is an arithmetic number, because the mean of its divisors is an integer number (2142429).

Almost surely, 24284857 is an apocalyptic number.

It is an amenable number.

4284857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4284857 is an equidigital number, since it uses as much as digits as its factorization.

4284857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 38.

The square root of 4284857 is about 2069.9896135005. The cubic root of 4284857 is about 162.4222207657.

The spelling of 4284857 in words is "four million, two hundred eighty-four thousand, eight hundred fifty-seven".