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9030 = 235743
BaseRepresentation
bin10001101000110
3110101110
42031012
5242110
6105450
735220
oct21506
913343
109030
11686a
125286
134158
143410
152a20
hex2346

9030 has 32 divisors (see below), whose sum is σ = 25344. Its totient is φ = 2016.

The previous prime is 9029. The next prime is 9041. The reversal of 9030 is 309.

Adding to 9030 its reverse (309), we get a palindrome (9339).

It can be divided in two parts, 90 and 30, that added together give a triangular number (120 = T15).

9030 = 462 + 472 + ... + 492.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 8997 and 9015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189 + ... + 231.

It is an arithmetic number, because the mean of its divisors is an integer number (792).

29030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12672).

9030 is an abundant number, since it is smaller than the sum of its proper divisors (16314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9030 is a wasteful number, since it uses less digits than its factorization.

9030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 9030 is about 95.0263121456. The cubic root of 9030 is about 20.8239246404.

The spelling of 9030 in words is "nine thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 43 70 86 105 129 210 215 258 301 430 602 645 903 1290 1505 1806 3010 4515 9030