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2977 = 13229
BaseRepresentation
bin101110100001
311002021
4232201
543402
621441
711452
oct5641
94067
102977
112267
121881
131480
141129
15d37
hexba1

2977 has 4 divisors (see below), whose sum is σ = 3220. Its totient is φ = 2736.

The previous prime is 2971. The next prime is 2999. The reversal of 2977 is 7792.

It can be divided in two parts, 2 and 977, that added together give a palindrome (979).

2977 is nontrivially palindromic in base 12.

2977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1681 + 1296 = 41^2 + 36^2 .

It is a cyclic number.

It is not a de Polignac number, because 2977 - 23 = 2969 is a prime.

It is a Duffinian number.

2977 is a lucky number.

It is a plaindrome in base 11 and base 14.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2971) 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, 102 + ... + 127.

It is an arithmetic number, because the mean of its divisors is an integer number (805).

2977 is the 32-nd hex number.

It is an amenable number.

2977 is a deficient number, since it is larger than the sum of its proper divisors (243).

2977 is a wasteful number, since it uses less digits than its factorization.

2977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its digits is 882, while the sum is 25.

The square root of 2977 is about 54.5618914628. The cubic root of 2977 is about 14.3855436194.

The spelling of 2977 in words is "two thousand, nine hundred seventy-seven".

Divisors: 1 13 229 2977