Base | Representation |
---|---|
bin | 1100111011110… |
… | …1011011000101 |
3 | 10210002100110202 |
4 | 3032331123011 |
5 | 102342101003 |
6 | 5214500245 |
7 | 1226100515 |
oct | 316753305 |
9 | 123070422 |
10 | 54253253 |
11 | 286962aa |
12 | 16204685 |
13 | b317322 |
14 | 72c3845 |
15 | 4b6a088 |
hex | 33bd6c5 |
54253253 has 4 divisors (see below), whose sum is σ = 54302688. Its totient is φ = 54203820.
The previous prime is 54253247. The next prime is 54253259. The reversal of 54253253 is 35235245.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35235245 = 5 ⋅7047049.
It is an interprime number because it is at equal distance from previous prime (54253247) and next prime (54253259).
It is a cyclic number.
It is not a de Polignac number, because 54253253 - 222 = 50058949 is a prime.
It is a super-2 number, since 2×542532532 = 5886830922164018, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54253259) 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, 23033 + ... + 25278.
It is an arithmetic number, because the mean of its divisors is an integer number (13575672).
Almost surely, 254253253 is an apocalyptic number.
It is an amenable number.
54253253 is a deficient number, since it is larger than the sum of its proper divisors (49435).
54253253 is a wasteful number, since it uses less digits than its factorization.
54253253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49434.
The product of its digits is 18000, while the sum is 29.
The square root of 54253253 is about 7365.6807560469. The cubic root of 54253253 is about 378.5662802806.
Adding to 54253253 its reverse (35235245), we get a palindrome (89488498).
The spelling of 54253253 in words is "fifty-four million, two hundred fifty-three thousand, two hundred fifty-three".
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