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5381139 = 38321611
BaseRepresentation
bin10100100001110000010011
3101010101112110
4110201300103
52334144024
6311200403
763511311
oct24416023
911111473
105381139
113045a25
121976103
13116540a
14a010b1
15714629
hex521c13

5381139 has 8 divisors (see below), whose sum is σ = 7261632. Its totient is φ = 3544040.

The previous prime is 5381113. The next prime is 5381141. The reversal of 5381139 is 9311835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5381139 - 28 = 5380883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5381939) 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, 10557 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (907704).

Almost surely, 25381139 is an apocalyptic number.

5381139 is a deficient number, since it is larger than the sum of its proper divisors (1880493).

5381139 is a wasteful number, since it uses less digits than its factorization.

5381139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21697.

The product of its digits is 3240, while the sum is 30.

The square root of 5381139 is about 2319.7282168392. The cubic root of 5381139 is about 175.2365671364.

The spelling of 5381139 in words is "five million, three hundred eighty-one thousand, one hundred thirty-nine".

Divisors: 1 3 83 249 21611 64833 1793713 5381139