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90373 is a prime number
BaseRepresentation
bin10110000100000101
311120222011
4112010011
510342443
61534221
7524323
oct260405
9146864
1090373
1161998
1244371
133219a
1424d13
151bb9d
hex16105

90373 has 2 divisors, whose sum is σ = 90374. Its totient is φ = 90372.

The previous prime is 90371. The next prime is 90379. The reversal of 90373 is 37309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47524 + 42849 = 218^2 + 207^2 .

It is an emirp because it is prime and its reverse (37309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90373 - 21 = 90371 is a prime.

Together with 90371, it forms a pair of twin primes.

90373 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45186 + 45187.

It is an arithmetic number, because the mean of its divisors is an integer number (45187).

290373 is an apocalyptic number.

It is an amenable number.

90373 is a deficient number, since it is larger than the sum of its proper divisors (1).

90373 is an equidigital number, since it uses as much as digits as its factorization.

90373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 22.

The square root of 90373 is about 300.6210238822. The cubic root of 90373 is about 44.8758719114.

The spelling of 90373 in words is "ninety thousand, three hundred seventy-three".