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976 = 2461
BaseRepresentation
bin1111010000
31100011
433100
512401
64304
72563
oct1720
91304
10976
11808
12694
135a1
144da
15451
hex3d0

976 has 10 divisors (see below), whose sum is σ = 1922. Its totient is φ = 480.

The previous prime is 971. The next prime is 977. The reversal of 976 is 679.

976 = T24 + T25 + T26.

976 is nontrivially palindromic in base 3 and base 11.

976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 576 + 400 = 24^2 + 20^2 .

976 is an undulating number in base 11.

Its product of digits (378) is a multiple of the sum of its prime divisors (63).

It is a nialpdrome in base 4 and base 10.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971) by changing a digit.

976 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 a polite number, since it can be written as a sum of consecutive naturals, namely, 15 + ... + 46.

976 is the 16-th decagonal number.

976 is the 26-th centered triangular number.

It is an amenable number.

976 is a deficient number, since it is larger than the sum of its proper divisors (946).

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

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

The sum of its prime factors is 69 (or 63 counting only the distinct ones).

The product of its digits is 378, while the sum is 22.

The square root of 976 is about 31.2409987036. The cubic root of 976 is about 9.9193513277.

The spelling of 976 in words is "nine hundred seventy-six", and thus it is an aban number and an oban number.

Divisors: 1 2 4 8 16 61 122 244 488 976