Search a number
-
+
5395281 = 31798427
BaseRepresentation
bin10100100101001101010001
3101011002221020
4110211031101
52340122111
6311350053
763600453
oct24451521
911132836
105395281
113055611
121982329
13116b998
14a062d3
15718906
hex525351

5395281 has 4 divisors (see below), whose sum is σ = 7193712. Its totient is φ = 3596852.

The previous prime is 5395279. The next prime is 5395289. The reversal of 5395281 is 1825935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5395281 - 21 = 5395279 is a prime.

It is a super-2 number, since 2×53952812 = 58218114137922, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5395289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899211 + ... + 899216.

It is an arithmetic number, because the mean of its divisors is an integer number (1798428).

Almost surely, 25395281 is an apocalyptic number.

It is an amenable number.

5395281 is a deficient number, since it is larger than the sum of its proper divisors (1798431).

5395281 is a wasteful number, since it uses less digits than its factorization.

5395281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798430.

The product of its digits is 10800, while the sum is 33.

The square root of 5395281 is about 2322.7744186640. The cubic root of 5395281 is about 175.3899440665.

The spelling of 5395281 in words is "five million, three hundred ninety-five thousand, two hundred eighty-one".

Divisors: 1 3 1798427 5395281