Search a number
-
+
4878 = 232271
BaseRepresentation
bin1001100001110
320200200
41030032
5124003
634330
720136
oct11416
96620
104878
113735
1229a6
1322b3
141ac6
1516a3
hex130e

4878 has 12 divisors (see below), whose sum is σ = 10608. Its totient is φ = 1620.

The previous prime is 4877. The next prime is 4889. The reversal of 4878 is 8784.

Subtracting from 4878 its sum of digits (27), we obtain a triangular number (4851 = T98).

Adding to 4878 its product of digits (1792), we get a triangular number (6670 = T115).

It is a happy number.

It is an Ulam number.

It is a nialpdrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4878.

It is not an unprimeable number, because it can be changed into a prime (4871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118 + ... + 153.

It is an arithmetic number, because the mean of its divisors is an integer number (884).

24878 is an apocalyptic number.

4878 is an abundant number, since it is smaller than the sum of its proper divisors (5730).

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

4878 is a wasteful number, since it uses less digits than its factorization.

4878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 276 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 4878 is about 69.8426803609. The cubic root of 4878 is about 16.9595346674.

The spelling of 4878 in words is "four thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 9 18 271 542 813 1626 2439 4878