Base | Representation |
---|---|
bin | 100001000101101… |
… | …010000101000001 |
3 | 1102200120120211212 |
4 | 201011222011001 |
5 | 2114103144301 |
6 | 131030215505 |
7 | 16520352212 |
oct | 4105520501 |
9 | 1380516755 |
10 | 555131201 |
11 | 2653a2319 |
12 | 135ab4595 |
13 | 8b018c01 |
14 | 53a27409 |
15 | 33b084bb |
hex | 2116a141 |
555131201 has 8 divisors (see below), whose sum is σ = 564141960. Its totient is φ = 546158592.
The previous prime is 555131149. The next prime is 555131207. The reversal of 555131201 is 102131555.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 236544400 + 318586801 = 15380^2 + 17849^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 555131201 - 214 = 555114817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (555131207) 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, 20561 + ... + 39153.
It is an arithmetic number, because the mean of its divisors is an integer number (70517745).
Almost surely, 2555131201 is an apocalyptic number.
It is an amenable number.
555131201 is a deficient number, since it is larger than the sum of its proper divisors (9010759).
555131201 is a wasteful number, since it uses less digits than its factorization.
555131201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19075.
The product of its (nonzero) digits is 750, while the sum is 23.
The square root of 555131201 is about 23561.2224003764. Note that the first 3 decimals coincide. The cubic root of 555131201 is about 821.8613284622.
Adding to 555131201 its reverse (102131555), we get a palindrome (657262756).
The spelling of 555131201 in words is "five hundred fifty-five million, one hundred thirty-one thousand, two hundred one".
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