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30265 = 56053
BaseRepresentation
bin111011000111001
31112111221
413120321
51432030
6352041
7154144
oct73071
945457
1030265
1120814
1215621
1310a11
14b05b
158e7a
hex7639

30265 has 4 divisors (see below), whose sum is σ = 36324. Its totient is φ = 24208.

The previous prime is 30259. The next prime is 30269. The reversal of 30265 is 56203.

30265 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5929 + 24336 = 77^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 30265 - 27 = 30137 is a prime.

It is a Duffinian number.

30265 is strictly pandigital in base 6.

30265 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (30269) 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, 3022 + ... + 3031.

It is an arithmetic number, because the mean of its divisors is an integer number (9081).

230265 is an apocalyptic number.

It is an amenable number.

30265 is a deficient number, since it is larger than the sum of its proper divisors (6059).

30265 is an equidigital number, since it uses as much as digits as its factorization.

30265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30265 is about 173.9683879330. The cubic root of 30265 is about 31.1635477193.

Adding to 30265 its reverse (56203), we get a palindrome (86468).

The spelling of 30265 in words is "thirty thousand, two hundred sixty-five".

Divisors: 1 5 6053 30265