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102242213 is a prime number
BaseRepresentation
bin1100001100000…
…01011110100101
321010101102221122
412012001132211
5202133222323
614051223325
72351021153
oct606013645
9233342848
10102242213
11527930a7
122a2a7b45
131824a268
14d8163d3
158e98ec8
hex61817a5

102242213 has 2 divisors, whose sum is σ = 102242214. Its totient is φ = 102242212.

The previous prime is 102242207. The next prime is 102242219. The reversal of 102242213 is 312242201.

It is a balanced prime because it is at equal distance from previous prime (102242207) and next prime (102242219).

It can be written as a sum of positive squares in only one way, i.e., 82864609 + 19377604 = 9103^2 + 4402^2 .

It is an emirp because it is prime and its reverse (312242201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102242213 - 26 = 102242149 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102242191 and 102242200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102242219) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51121106 + 51121107.

It is an arithmetic number, because the mean of its divisors is an integer number (51121107).

Almost surely, 2102242213 is an apocalyptic number.

It is an amenable number.

102242213 is a deficient number, since it is larger than the sum of its proper divisors (1).

102242213 is an equidigital number, since it uses as much as digits as its factorization.

102242213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102242213 is about 10111.4891583782. The cubic root of 102242213 is about 467.6024166744.

Adding to 102242213 its reverse (312242201), we get a palindrome (414484414).

The spelling of 102242213 in words is "one hundred two million, two hundred forty-two thousand, two hundred thirteen".