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30373 = 74339
BaseRepresentation
bin111011010100101
31112122221
413122211
51432443
6352341
7154360
oct73245
945587
1030373
1120902
12156b1
1310a95
14b0d7
158eed
hex76a5

30373 has 4 divisors (see below), whose sum is σ = 34720. Its totient is φ = 26028.

The previous prime is 30367. The next prime is 30389. The reversal of 30373 is 37303.

30373 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30373 - 25 = 30341 is a prime.

30373 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30373.

It is not an unprimeable number, because it can be changed into a prime (30313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (8680).

230373 is an apocalyptic number.

It is an amenable number.

30373 is a deficient number, since it is larger than the sum of its proper divisors (4347).

30373 is an equidigital number, since it uses as much as digits as its factorization.

30373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346.

The product of its (nonzero) digits is 189, while the sum is 16.

The square root of 30373 is about 174.2785127318. The cubic root of 30373 is about 31.2005725295.

Adding to 30373 its reverse (37303), we get a palindrome (67676).

The spelling of 30373 in words is "thirty thousand, three hundred seventy-three".

Divisors: 1 7 4339 30373