Search a number
-
+
5172271 = 13397867
BaseRepresentation
bin10011101110110000101111
3100201210000121
4103232300233
52311003041
6302505411
761651336
oct23566057
910653017
105172271
112a13005
121895267
1310c1320
14988d1d
156c27d1
hex4eec2f

5172271 has 4 divisors (see below), whose sum is σ = 5570152. Its totient is φ = 4774392.

The previous prime is 5172259. The next prime is 5172283. The reversal of 5172271 is 1722715.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1722715 = 5344543.

It is an interprime number because it is at equal distance from previous prime (5172259) and next prime (5172283).

It is a cyclic number.

It is not a de Polignac number, because 5172271 - 25 = 5172239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172221) 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, 198921 + ... + 198946.

It is an arithmetic number, because the mean of its divisors is an integer number (1392538).

Almost surely, 25172271 is an apocalyptic number.

5172271 is a deficient number, since it is larger than the sum of its proper divisors (397881).

5172271 is a wasteful number, since it uses less digits than its factorization.

5172271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397880.

The product of its digits is 980, while the sum is 25.

The square root of 5172271 is about 2274.2627376801. The cubic root of 5172271 is about 172.9393240613.

Adding to 5172271 its reverse (1722715), we get a palindrome (6894986).

The spelling of 5172271 in words is "five million, one hundred seventy-two thousand, two hundred seventy-one".

Divisors: 1 13 397867 5172271