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15030 = 2325167
BaseRepresentation
bin11101010110110
3202121200
43222312
5440110
6153330
761551
oct35266
922550
1015030
1110324
128846
136ac2
145698
1546c0
hex3ab6

15030 has 24 divisors (see below), whose sum is σ = 39312. Its totient is φ = 3984.

The previous prime is 15017. The next prime is 15031. The reversal of 15030 is 3051.

Adding to 15030 its reverse (3051), we get a palindrome (18081).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7 + ... + 173.

It is an arithmetic number, because the mean of its divisors is an integer number (1638).

15030 is a Friedman number, since it can be written as 501*30, using all its digits and the basic arithmetic operations.

215030 is an apocalyptic number.

15030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19656).

15030 is an abundant number, since it is smaller than the sum of its proper divisors (24282).

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

15030 is a wasteful number, since it uses less digits than its factorization.

15030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 15030 is about 122.5969004502. The cubic root of 15030 is about 24.6785512084.

The spelling of 15030 in words is "fifteen thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 167 334 501 835 1002 1503 1670 2505 3006 5010 7515 15030