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56982 = 239497
BaseRepresentation
bin1101111010010110
32220011110
431322112
53310412
61115450
7325062
oct157226
986143
1056982
11398a2
1228b86
131cc23
1416aa2
1511d3c
hexde96

56982 has 8 divisors (see below), whose sum is σ = 113976. Its totient is φ = 18992.

The previous prime is 56963. The next prime is 56983. The reversal of 56982 is 28965.

56982 = T108 + T109 + ... + T116.

It is a sphenic number, since it is the product of 3 distinct primes.

56982 is an admirable number.

It is a d-powerful number, because it can be written as 55 + 66 + 94 + 83 + 27 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56983) 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, 4743 + ... + 4754.

It is an arithmetic number, because the mean of its divisors is an integer number (14247).

256982 is an apocalyptic number.

56982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56988).

56982 is a wasteful number, since it uses less digits than its factorization.

56982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9502.

The product of its digits is 4320, while the sum is 30.

The square root of 56982 is about 238.7090278980. The cubic root of 56982 is about 38.4809598324.

The spelling of 56982 in words is "fifty-six thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9497 18994 28491 56982