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16392 = 233683
BaseRepresentation
bin100000000001000
3211111010
410000020
51011032
6203520
765535
oct40010
924433
1016392
1111352
1295a0
1375cc
145d8c
154ccc
hex4008

16392 has 16 divisors (see below), whose sum is σ = 41040. Its totient is φ = 5456.

The previous prime is 16381. The next prime is 16411. The reversal of 16392 is 29361.

Added to its reverse (29361) it gives a triangular number (45753 = T302).

It is a plaindrome in base 15.

It is an unprimeable number.

16392 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318 + ... + 365.

It is an arithmetic number, because the mean of its divisors is an integer number (2565).

216392 is an apocalyptic number.

16392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16392 is an abundant number, since it is smaller than the sum of its proper divisors (24648).

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 (20520).

16392 is a wasteful number, since it uses less digits than its factorization.

16392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 688 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 16392 is about 128.0312461862. The cubic root of 16392 is about 25.4025500158.

Adding to 16392 its reverse (29361), we get a triangular number (45753 = T302).

The spelling of 16392 in words is "sixteen thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 683 1366 2049 2732 4098 5464 8196 16392