Base | Representation |
---|---|
bin | 1001110000111101… |
… | …01110010001001111 |
3 | 111112100202220001220 |
4 | 10320132232101033 |
5 | 41214042421411 |
6 | 2224113534423 |
7 | 243625620300 |
oct | 47036562117 |
9 | 14470686056 |
10 | 5242545231 |
11 | 2250309910 |
12 | 1023874413 |
13 | 657191091 |
14 | 37a39a7a7 |
15 | 20a3b6b06 |
hex | 1387ae44f |
5242545231 has 48 divisors (see below), whose sum is σ = 8893313280. Its totient is φ = 2716398720.
The previous prime is 5242545193. The next prime is 5242545233. The reversal of 5242545231 is 1325452425.
It is a happy number.
5242545231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 5242545231 - 217 = 5242414159 is a prime.
It is a super-2 number, since 2×52425452312 = 54968560998161686722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 5242545192 and 5242545201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5242545233) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 657390 + ... + 665316.
It is an arithmetic number, because the mean of its divisors is an integer number (185277360).
Almost surely, 25242545231 is an apocalyptic number.
5242545231 is a deficient number, since it is larger than the sum of its proper divisors (3650768049).
5242545231 is a wasteful number, since it uses less digits than its factorization.
5242545231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8364 (or 8357 counting only the distinct ones).
The product of its digits is 48000, while the sum is 33.
The square root of 5242545231 is about 72405.4226629470. The cubic root of 5242545231 is about 1737.1902986192.
Adding to 5242545231 its reverse (1325452425), we get a palindrome (6567997656).
The spelling of 5242545231 in words is "five billion, two hundred forty-two million, five hundred forty-five thousand, two hundred thirty-one".
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