Search a number
-
+
531343241 = 11133715687
BaseRepresentation
bin11111101010111…
…010011110001001
31101000211000220022
4133222322132021
52042010440431
6124420310225
716111225442
oct3752723611
91330730808
10531343241
11252a25050
12129b42375
138610a5b0
14507d42c9
15319aa07b
hex1faba789

531343241 has 8 divisors (see below), whose sum is σ = 624235584. Its totient is φ = 445882320.

The previous prime is 531343237. The next prime is 531343247. The reversal of 531343241 is 142343135.

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

It is not a de Polignac number, because 531343241 - 22 = 531343237 is a prime.

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 531343241.

It is not an unprimeable number, because it can be changed into a prime (531343247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857701 + ... + 1857986.

It is an arithmetic number, because the mean of its divisors is an integer number (78029448).

Almost surely, 2531343241 is an apocalyptic number.

It is an amenable number.

531343241 is a deficient number, since it is larger than the sum of its proper divisors (92892343).

531343241 is a wasteful number, since it uses less digits than its factorization.

531343241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715711.

The product of its digits is 4320, while the sum is 26.

The square root of 531343241 is about 23050.8837357703. The cubic root of 531343241 is about 809.9503302368.

Adding to 531343241 its reverse (142343135), we get a palindrome (673686376).

The spelling of 531343241 in words is "five hundred thirty-one million, three hundred forty-three thousand, two hundred forty-one".

Divisors: 1 11 13 143 3715687 40872557 48303931 531343241