Search a number
-
+
5404387 = 26320549
BaseRepresentation
bin10100100111011011100011
3101011120102111
4110213123203
52340420022
6311500151
763636142
oct24473343
911146374
105404387
11306143a
121987657
131172b81
14a09759
1571b477
hex5276e3

5404387 has 4 divisors (see below), whose sum is σ = 5425200. Its totient is φ = 5383576.

The previous prime is 5404381. The next prime is 5404393. The reversal of 5404387 is 7834045.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5404381) and next prime (5404393).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5404387 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5404381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10012 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (1356300).

Almost surely, 25404387 is an apocalyptic number.

5404387 is a deficient number, since it is larger than the sum of its proper divisors (20813).

5404387 is a wasteful number, since it uses less digits than its factorization.

5404387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20812.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 5404387 is about 2324.7337481957. The cubic root of 5404387 is about 175.4885613062.

The spelling of 5404387 in words is "five million, four hundred four thousand, three hundred eighty-seven".

Divisors: 1 263 20549 5404387