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4988 = 222943
BaseRepresentation
bin1001101111100
320211202
41031330
5124423
635032
720354
oct11574
96752
104988
113825
122a78
132369
141b64
151728
hex137c

4988 has 12 divisors (see below), whose sum is σ = 9240. Its totient is φ = 2352.

The previous prime is 4987. The next prime is 4993. The reversal of 4988 is 8894.

4988 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a plaindrome in base 13 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 4988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987) 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, 95 + ... + 137.

It is an arithmetic number, because the mean of its divisors is an integer number (770).

24988 is an apocalyptic number.

It is an amenable number.

4988 is a deficient number, since it is larger than the sum of its proper divisors (4252).

4988 is a wasteful number, since it uses less digits than its factorization.

4988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 74 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 4988 is about 70.6257743320. The cubic root of 4988 is about 17.0860687007.

The spelling of 4988 in words is "four thousand, nine hundred eighty-eight".

Divisors: 1 2 4 29 43 58 86 116 172 1247 2494 4988