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10988 = 224167
BaseRepresentation
bin10101011101100
3120001222
42223230
5322423
6122512
744015
oct25354
916058
1010988
11828a
126438
135003
14400c
1533c8
hex2aec

10988 has 12 divisors (see below), whose sum is σ = 19992. Its totient is φ = 5280.

The previous prime is 10987. The next prime is 10993. The reversal of 10988 is 88901.

It is a super-2 number, since 2×109882 = 241472288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131 + ... + 197.

It is an arithmetic number, because the mean of its divisors is an integer number (1666).

210988 is an apocalyptic number.

It is an amenable number.

10988 is a deficient number, since it is larger than the sum of its proper divisors (9004).

10988 is a wasteful number, since it uses less digits than its factorization.

10988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 10988 is about 104.8236614510. The cubic root of 10988 is about 22.2317107628.

The spelling of 10988 in words is "ten thousand, nine hundred eighty-eight".

Divisors: 1 2 4 41 67 82 134 164 268 2747 5494 10988