Search a number
BaseRepresentation
bin110100100000000
31100212120
412210000
51330010
6324240
7141240
oct64400
940776
1026880
1119217
1213680
13c309
149b20
157e70
hex6900

26880 has 72 divisors (see below), whose sum is σ = 98112. Its totient is φ = 6144.

The previous prime is 26879. The next prime is 26881. The reversal of 26880 is 8862.

It is an interprime number because it is at equal distance from previous prime (26879) and next prime (26881).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 26880.

It is not an unprimeable number, because it can be changed into a prime (26881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3837 + ... + 3843.

226880 is an apocalyptic number.

26880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49056).

26880 is an abundant number, since it is smaller than the sum of its proper divisors (71232).

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

26880 is an equidigital number, since it uses as much as digits as its factorization.

26880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 26880 is about 163.9512122554. The cubic root of 26880 is about 29.9554895489.

The spelling of 26880 in words is "twenty-six thousand, eight hundred eighty".