Search a number
-
+
5381731 = 191491901
BaseRepresentation
bin10100100001111001100011
3101010102100101
4110201321203
52334203411
6311203231
763513115
oct24417143
911112311
105381731
113046413
121976517
131165774
14a013b5
157148c1
hex521e63

5381731 has 8 divisors (see below), whose sum is σ = 5706000. Its totient is φ = 5061600.

The previous prime is 5381723. The next prime is 5381743. The reversal of 5381731 is 1371835.

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

It is not a de Polignac number, because 5381731 - 23 = 5381723 is a prime.

It is a super-2 number, since 2×53817312 = 57926057112722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5381731.

It is not an unprimeable number, because it can be changed into a prime (5381711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881 + ... + 3781.

It is an arithmetic number, because the mean of its divisors is an integer number (713250).

Almost surely, 25381731 is an apocalyptic number.

5381731 is a deficient number, since it is larger than the sum of its proper divisors (324269).

5381731 is a wasteful number, since it uses less digits than its factorization.

5381731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069.

The product of its digits is 2520, while the sum is 28.

The square root of 5381731 is about 2319.8558144850. The cubic root of 5381731 is about 175.2429930525.

The spelling of 5381731 in words is "five million, three hundred eighty-one thousand, seven hundred thirty-one".

Divisors: 1 19 149 1901 2831 36119 283249 5381731