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8956 = 222239
BaseRepresentation
bin10001011111100
3110021201
42023330
5241311
6105244
735053
oct21374
913251
108956
116802
125224
1340cc
14339a
1529c1
hex22fc

8956 has 6 divisors (see below), whose sum is σ = 15680. Its totient is φ = 4476.

The previous prime is 8951. The next prime is 8963. The reversal of 8956 is 6598.

8956 is nontrivially palindromic in base 7.

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 (8951) by changing a digit.

8956 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 as a sum of consecutive naturals, namely, 1116 + ... + 1123.

28956 is an apocalyptic number.

It is an amenable number.

8956 is a deficient number, since it is larger than the sum of its proper divisors (6724).

8956 is a wasteful number, since it uses less digits than its factorization.

8956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243 (or 2241 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 8956 is about 94.6361453146. The cubic root of 8956 is about 20.7668851771.

The spelling of 8956 in words is "eight thousand, nine hundred fifty-six".

Divisors: 1 2 4 2239 4478 8956