Search a number
15230 = 251523

15230 has 8 divisors (see below), whose sum is σ = 27432. Its totient is φ = 6088.

The previous prime is 15227. The next prime is 15233. The reversal of 15230 is 3251.

15230 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15227) and next prime (15233).

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

15230 is strictly pandigital in base 6.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752 + ... + 771.

It is an arithmetic number, because the mean of its divisors is an integer number (3429).

215230 is an apocalyptic number.

15230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15230 is a deficient number, since it is larger than the sum of its proper divisors (12202).

15230 is a wasteful number, since it uses less digits than its factorization.

15230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 15230 is about 123.4098861518. The cubic root of 15230 is about 24.7875327555.

Adding to 15230 its reverse (3251), we get a palindrome (18481).

It can be divided in two parts, 152 and 30, that multiplied together give a triangular number (4560 = T95).

The spelling of 15230 in words is "fifteen thousand, two hundred thirty".

Divisors: 1 2 5 10 1523 3046 7615 15230