30424 has 8 divisors (see below), whose sum is σ = 57060. Its totient is φ = 15208.
The previous prime is 30403. The next prime is 30427. The reversal of 30424 is 42403.
30424 is nontrivially palindromic in base 9.
30424 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.
It is a tau number, because it is divible by the number of its divisors (8).
It is a nialpdrome in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1894 + ... + 1909.
230424 is an apocalyptic number.
It is an amenable number.
30424 is a deficient number, since it is larger than the sum of its proper divisors (26636).
30424 is a wasteful number, since it uses less digits than its factorization.
30424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3809 (or 3805 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 13.
The square root of 30424 is about 174.4247688833. The cubic root of 30424 is about 31.2180259630.
Adding to 30424 its reverse (42403), we get a palindrome (72827).
It can be divided in two parts, 30 and 424, that multiplied together give a triangular number (12720 = T159).
The spelling of 30424 in words is "thirty thousand, four hundred twenty-four".
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