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6156 = 223419
BaseRepresentation
bin1100000001100
322110000
41200030
5144111
644300
723643
oct14014
98400
106156
114697
123690
132a57
14235a
151c56
hex180c

6156 has 30 divisors (see below), whose sum is σ = 16940. Its totient is φ = 1944.

The previous prime is 6151. The next prime is 6163. The reversal of 6156 is 6516.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a plaindrome in base 14.

It is a nialpdrome in base 3, base 6 and base 9.

It is a zygodrome in base 2 and base 3.

It is not an unprimeable number, because it can be changed into a prime (6151) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 315 + ... + 333.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8470).

6156 is an abundant number, since it is smaller than the sum of its proper divisors (10784).

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

6156 is a wasteful number, since it uses less digits than its factorization.

6156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35 (or 24 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 6156 is about 78.4601809837. The cubic root of 6156 is about 18.3273442329.

Adding to 6156 its product of digits (180), we get a palindrome (6336).

The spelling of 6156 in words is "six thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 81 108 114 162 171 228 324 342 513 684 1026 1539 2052 3078 6156