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BaseRepresentation
bin10100000000010011101010
3100212102121100
4110000103222
52320303023
6304222230
762401014
oct24002352
910772540
105244138
112a61aa9
12190a976
131117c53
149a71b4
156d8c43
hex5004ea

5244138 has 48 divisors (see below), whose sum is σ = 12130560. Its totient is φ = 1633632.

The previous prime is 5244103. The next prime is 5244139. The reversal of 5244138 is 8314425.

5244138 is a `hidden beast` number, since 524 + 4 + 138 = 666.

Its product of digits (3840) is a multiple of the sum of its prime divisors (320).

It is not an unprimeable number, because it can be changed into a prime (5244139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21823 + ... + 22061.

It is an arithmetic number, because the mean of its divisors is an integer number (252720).

Almost surely, 25244138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5244138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6065280).

5244138 is an abundant number, since it is smaller than the sum of its proper divisors (6886422).

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

5244138 is a wasteful number, since it uses less digits than its factorization.

5244138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 320 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 5244138 is about 2290.0082969282. The cubic root of 5244138 is about 173.7366209528.

The spelling of 5244138 in words is "five million, two hundred forty-four thousand, one hundred thirty-eight".