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30255 = 352017
BaseRepresentation
bin111011000101111
31112111120
413120233
51432010
6352023
7154131
oct73057
945446
1030255
1120805
1215613
1310a04
14b051
158e70
hex762f

30255 has 8 divisors (see below), whose sum is σ = 48432. Its totient is φ = 16128.

The previous prime is 30253. The next prime is 30259. The reversal of 30255 is 55203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30255 - 21 = 30253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 2017 = 30255 / (3 + 0 + 2 + 5 + 5).

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 30255.

It is not an unprimeable number, because it can be changed into a prime (30253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (6054).

230255 is an apocalyptic number.

30255 is a deficient number, since it is larger than the sum of its proper divisors (18177).

30255 is a wasteful number, since it uses less digits than its factorization.

30255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 30255 is about 173.9396447047. The cubic root of 30255 is about 31.1601150434.

Adding to 30255 its reverse (55203), we get a palindrome (85458).

The spelling of 30255 in words is "thirty thousand, two hundred fifty-five".

Divisors: 1 3 5 15 2017 6051 10085 30255