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8912 = 24557
BaseRepresentation
bin10001011010000
3110020002
42023100
5241122
6105132
734661
oct21320
913202
108912
116772
1251a8
134097
143368
152992
hex22d0

8912 has 10 divisors (see below), whose sum is σ = 17298. Its totient is φ = 4448.

The previous prime is 8893. The next prime is 8923. The reversal of 8912 is 2198.

8912 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in only one way, i.e., 5776 + 3136 = 76^2 + 56^2 .

It is a pancake number, because a pancake can be divided into 8912 parts by 133 straight cuts.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

8912 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 (5) of ones.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263 + ... + 294.

28912 is an apocalyptic number.

It is an amenable number.

8912 is a deficient number, since it is larger than the sum of its proper divisors (8386).

8912 is a wasteful number, since it uses less digits than its factorization.

8912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 559 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 8912 is about 94.4033897696. The cubic root of 8912 is about 20.7328207352.

The spelling of 8912 in words is "eight thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 557 1114 2228 4456 8912