Search a number
-
+
5321224031 = 28791848289
BaseRepresentation
bin1001111010010101…
…10110111101011111
3111201211211012002112
410331022312331133
541344213132111
62240004144235
7245602441454
oct47512667537
914654735075
105321224031
112290768412
12104609807b
1366a57ac96
143869db82b
15212258e8b
hex13d2b6f5f

5321224031 has 4 divisors (see below), whose sum is σ = 5323075200. Its totient is φ = 5319372864.

The previous prime is 5321224001. The next prime is 5321224063. The reversal of 5321224031 is 1304221235.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5321224031 is a prime.

It is a super-2 number, since 2×53212240312 = 56630850376183777922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5321223988 and 5321224006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5321224001) 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, 921266 + ... + 927023.

It is an arithmetic number, because the mean of its divisors is an integer number (1330768800).

Almost surely, 25321224031 is an apocalyptic number.

5321224031 is a deficient number, since it is larger than the sum of its proper divisors (1851169).

5321224031 is a wasteful number, since it uses less digits than its factorization.

5321224031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851168.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 5321224031 is about 72946.7204951669. The cubic root of 5321224031 is about 1745.8376212005.

Adding to 5321224031 its reverse (1304221235), we get a palindrome (6625445266).

The spelling of 5321224031 in words is "five billion, three hundred twenty-one million, two hundred twenty-four thousand, thirty-one".

Divisors: 1 2879 1848289 5321224031