Search a number
-
+
4878249 = 31626083
BaseRepresentation
bin10010100110111110101001
3100011211200220
4102212332221
52222100444
6252320253
756315205
oct22467651
910154626
104878249
112832112
121773089
13101a54c
1490db05
15665619
hex4a6fa9

4878249 has 4 divisors (see below), whose sum is σ = 6504336. Its totient is φ = 3252164.

The previous prime is 4878241. The next prime is 4878257. The reversal of 4878249 is 9428784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4878241) and next prime (4878257).

It is a cyclic number.

It is not a de Polignac number, because 4878249 - 23 = 4878241 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4878249.

It is not an unprimeable number, because it can be changed into a prime (4878241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813039 + ... + 813044.

It is an arithmetic number, because the mean of its divisors is an integer number (1626084).

Almost surely, 24878249 is an apocalyptic number.

It is an amenable number.

4878249 is a deficient number, since it is larger than the sum of its proper divisors (1626087).

4878249 is a wasteful number, since it uses less digits than its factorization.

4878249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626086.

The product of its digits is 129024, while the sum is 42.

The square root of 4878249 is about 2208.6758476517. The cubic root of 4878249 is about 169.5982323189.

The spelling of 4878249 in words is "four million, eight hundred seventy-eight thousand, two hundred forty-nine".

Divisors: 1 3 1626083 4878249