15492 has 12 divisors (see below), whose sum is σ = 36176. Its totient is φ = 5160.
The previous prime is 15473. The next prime is 15493. The reversal of 15492 is 29451.
It is a tau number, because it is divible by the number of its divisors (12).
It is a plaindrome in base 15.
It is a nialpdrome in base 7.
It is not an unprimeable number, because it can be changed into a prime (15493) by changing a digit.
15492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634 + ... + 657.
215492 is an apocalyptic number.
15492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
15492 is an abundant number, since it is smaller than the sum of its proper divisors (20684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18088).
15492 is a wasteful number, since it uses less digits than its factorization.
15492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1298 (or 1296 counting only the distinct ones).
The product of its digits is 360, while the sum is 21.
The square root of 15492 is about 124.4668630600. The cubic root of 15492 is about 24.9288644480.
It can be divided in two parts, 1549 and 2, that added together give a palindrome (1551).
The spelling of 15492 in words is "fifteen thousand, four hundred ninety-two".
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