Search a number
-
+
5438319 = 31812773
BaseRepresentation
bin10100101111101101101111
3101020021222020
4110233231233
52343011234
6312321223
764140105
oct24575557
911207866
105438319
113084987
1219a3213
131185453
14a17c75
15726549
hex52fb6f

5438319 has 4 divisors (see below), whose sum is σ = 7251096. Its totient is φ = 3625544.

The previous prime is 5438311. The next prime is 5438347. The reversal of 5438319 is 9138345.

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

It is a cyclic number.

It is not a de Polignac number, because 5438319 - 23 = 5438311 is a prime.

It is a super-2 number, since 2×54383192 = 59150627091522, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 5438319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438311) 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, 906384 + ... + 906389.

It is an arithmetic number, because the mean of its divisors is an integer number (1812774).

Almost surely, 25438319 is an apocalyptic number.

5438319 is a deficient number, since it is larger than the sum of its proper divisors (1812777).

5438319 is a wasteful number, since it uses less digits than its factorization.

5438319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812776.

The product of its digits is 12960, while the sum is 33.

The square root of 5438319 is about 2332.0203686932. The cubic root of 5438319 is about 175.8550696508.

The spelling of 5438319 in words is "five million, four hundred thirty-eight thousand, three hundred nineteen".

Divisors: 1 3 1812773 5438319