Search a number
-
+
4881438 = 23390397
BaseRepresentation
bin10010100111110000011110
3100012000002000
4102213300132
52222201223
6252343130
756330412
oct22476036
910160060
104881438
112834551
121774aa6
13101bb33
14910d42
15666543
hex4a7c1e

4881438 has 16 divisors (see below), whose sum is σ = 10847760. Its totient is φ = 1627128.

The previous prime is 4881433. The next prime is 4881469. The reversal of 4881438 is 8341884.

4881438 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4881433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45145 + ... + 45252.

It is an arithmetic number, because the mean of its divisors is an integer number (677985).

Almost surely, 24881438 is an apocalyptic number.

4881438 is an abundant number, since it is smaller than the sum of its proper divisors (5966322).

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

4881438 is a wasteful number, since it uses less digits than its factorization.

4881438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90408 (or 90402 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 4881438 is about 2209.3976554708. The cubic root of 4881438 is about 169.6351807507.

The spelling of 4881438 in words is "four million, eight hundred eighty-one thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 90397 180794 271191 542382 813573 1627146 2440719 4881438