Search a number
-
+
287483983 is a prime number
BaseRepresentation
bin10001001000101…
…010100001001111
3202000221200212221
4101020222201033
51042043441413
644305440211
710060400503
oct2110524117
9660850787
10287483983
11138305a76
1280340067
1347737c87
142a276303
151a38a68d
hex1122a84f

287483983 has 2 divisors, whose sum is σ = 287483984. Its totient is φ = 287483982.

The previous prime is 287483947. The next prime is 287484023. The reversal of 287483983 is 389384782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 287483983 - 217 = 287352911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 287483983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287483683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143741991 + 143741992.

It is an arithmetic number, because the mean of its divisors is an integer number (143741992).

Almost surely, 2287483983 is an apocalyptic number.

287483983 is a deficient number, since it is larger than the sum of its proper divisors (1).

287483983 is an equidigital number, since it uses as much as digits as its factorization.

287483983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 52.

The square root of 287483983 is about 16955.3526356723. The cubic root of 287483983 is about 659.9908041265.

The spelling of 287483983 in words is "two hundred eighty-seven million, four hundred eighty-three thousand, nine hundred eighty-three".