Search a number
-
+
102283813 is a prime number
BaseRepresentation
bin1100001100010…
…11101000100101
321010110120000101
412012023220211
5202141040223
614052144101
72351253352
oct606135045
9233416011
10102283813
1152811385
122a308031
1318263188
14d827629
158ea64ad
hex618ba25

102283813 has 2 divisors, whose sum is σ = 102283814. Its totient is φ = 102283812.

The previous prime is 102283793. The next prime is 102283823. The reversal of 102283813 is 318382201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77053284 + 25230529 = 8778^2 + 5023^2 .

It is an emirp because it is prime and its reverse (318382201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102283813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102283823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51141906 + 51141907.

It is an arithmetic number, because the mean of its divisors is an integer number (51141907).

Almost surely, 2102283813 is an apocalyptic number.

It is an amenable number.

102283813 is a deficient number, since it is larger than the sum of its proper divisors (1).

102283813 is an equidigital number, since it uses as much as digits as its factorization.

102283813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 102283813 is about 10113.5460151225. The cubic root of 102283813 is about 467.6658269571.

It can be divided in two parts, 10228 and 3813, that added together give a palindrome (14041).

The spelling of 102283813 in words is "one hundred two million, two hundred eighty-three thousand, eight hundred thirteen".