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BaseRepresentation
bin100110110111
310102010
4212313
534422
615303
710152
oct4667
93363
102487
111961
121533
131194
14c99
15b0c
hex9b7

2487 has 4 divisors (see below), whose sum is σ = 3320. Its totient is φ = 1656.

The previous prime is 2477. The next prime is 2503. The reversal of 2487 is 7842.

It can be divided in two parts, 24 and 87, that added together give a palindrome (111).

It is a happy number.

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

It is not a de Polignac number, because 2487 - 26 = 2423 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2417) 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, 412 + ... + 417.

It is an arithmetic number, because the mean of its divisors is an integer number (830).

22487 is an apocalyptic number.

2487 is a deficient number, since it is larger than the sum of its proper divisors (833).

2487 is an equidigital number, since it uses as much as digits as its factorization.

2487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 448, while the sum is 21.

The square root of 2487 is about 49.8698305592. The cubic root of 2487 is about 13.5485222355.

The spelling of 2487 in words is "two thousand, four hundred eighty-seven".

Divisors: 1 3 829 2487