Base | Representation |
---|---|
bin | 100000111101111… |
… | …111100101010011 |
3 | 1102112210111220212 |
4 | 200331333211103 |
5 | 2113044402011 |
6 | 130515154335 |
7 | 16464313652 |
oct | 4075774523 |
9 | 1375714825 |
10 | 553122131 |
11 | 26424a931 |
12 | 1352a59ab |
13 | 8a794603 |
14 | 53663199 |
15 | 3385d08b |
hex | 20f7f953 |
553122131 has 4 divisors (see below), whose sum is σ = 553219200. Its totient is φ = 553025064.
The previous prime is 553122083. The next prime is 553122223. The reversal of 553122131 is 131221355.
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: 131221355 = 5 ⋅26244271.
It is a cyclic number.
It is not a de Polignac number, because 553122131 - 26 = 553122067 is a prime.
It is a super-2 number, since 2×5531221312 = 611888183603962322, 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 = 553122097 and 553122106.
It is not an unprimeable number, because it can be changed into a prime (553128131) 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, 39416 + ... + 51573.
It is an arithmetic number, because the mean of its divisors is an integer number (138304800).
Almost surely, 2553122131 is an apocalyptic number.
553122131 is a deficient number, since it is larger than the sum of its proper divisors (97069).
553122131 is an equidigital number, since it uses as much as digits as its factorization.
553122131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97068.
The product of its digits is 900, while the sum is 23.
The square root of 553122131 is about 23518.5486584525. The cubic root of 553122131 is about 820.8686665051.
Adding to 553122131 its reverse (131221355), we get a palindrome (684343486).
The spelling of 553122131 in words is "five hundred fifty-three million, one hundred twenty-two thousand, one hundred thirty-one".
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