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202493 is a prime number
BaseRepresentation
bin110001011011111101
3101021202202
4301123331
522434433
64201245
71502234
oct613375
9337682
10202493
11129155
1299225
1371225
1453b1b
153eee8
hex316fd

202493 has 2 divisors, whose sum is σ = 202494. Its totient is φ = 202492.

The previous prime is 202481. The next prime is 202519. The reversal of 202493 is 394202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182329 + 20164 = 427^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 202493 - 212 = 198397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101246 + 101247.

It is an arithmetic number, because the mean of its divisors is an integer number (101247).

2202493 is an apocalyptic number.

It is an amenable number.

202493 is a deficient number, since it is larger than the sum of its proper divisors (1).

202493 is an equidigital number, since it uses as much as digits as its factorization.

202493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 202493 is about 449.9922221550. The cubic root of 202493 is about 58.7223379659.

Adding to 202493 its reverse (394202), we get a palindrome (596695).

The spelling of 202493 in words is "two hundred two thousand, four hundred ninety-three".