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4988885 = 511611487
BaseRepresentation
bin10011000001111111010101
3100101110110112
4103001333111
52234121020
6254532405
760255566
oct23017725
910343415
104988885
1128a8250
121807105
131058a05
1493c16d
156882c5
hex4c1fd5

4988885 has 16 divisors (see below), whose sum is σ = 6642432. Its totient is φ = 3566400.

The previous prime is 4988843. The next prime is 4988891. The reversal of 4988885 is 5888894.

It is not a de Polignac number, because 4988885 - 214 = 4972501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2612 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (415152).

Almost surely, 24988885 is an apocalyptic number.

It is an amenable number.

4988885 is a deficient number, since it is larger than the sum of its proper divisors (1653547).

4988885 is a wasteful number, since it uses less digits than its factorization.

4988885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564.

The product of its digits is 737280, while the sum is 50.

The square root of 4988885 is about 2233.5812051502. The cubic root of 4988885 is about 170.8707914424.

Subtracting 4988885 from its reverse (5888894), we obtain a palindrome (900009).

It can be divided in two parts, 4 and 988885, that added together give a palindrome (988889).

The spelling of 4988885 in words is "four million, nine hundred eighty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 11 55 61 305 671 1487 3355 7435 16357 81785 90707 453535 997777 4988885