Base | Representation |
---|---|
bin | 1100101110001… |
… | …0000011101011 |
3 | 10201101200221011 |
4 | 3023202003223 |
5 | 102124322411 |
6 | 5143324351 |
7 | 1215336103 |
oct | 313420353 |
9 | 121350834 |
10 | 53354731 |
11 | 28132221 |
12 | 15a506b7 |
13 | b091361 |
14 | 712c203 |
15 | 4a3dc21 |
hex | 32e20eb |
53354731 has 4 divisors (see below), whose sum is σ = 53470432. Its totient is φ = 53239032.
The previous prime is 53354711. The next prime is 53354773. The reversal of 53354731 is 13745335.
53354731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13745335 = 5 ⋅2749067.
It is a cyclic number.
It is not a de Polignac number, because 53354731 - 29 = 53354219 is a prime.
It is a super-2 number, since 2×533547312 = 5693454640164722, 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 = 53354693 and 53354702.
It is not an unprimeable number, because it can be changed into a prime (53354711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57156 + ... + 58081.
It is an arithmetic number, because the mean of its divisors is an integer number (13367608).
Almost surely, 253354731 is an apocalyptic number.
53354731 is a deficient number, since it is larger than the sum of its proper divisors (115701).
53354731 is a wasteful number, since it uses less digits than its factorization.
53354731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115700.
The product of its digits is 18900, while the sum is 31.
The square root of 53354731 is about 7304.4322845790. The cubic root of 53354731 is about 376.4647447598.
The spelling of 53354731 in words is "fifty-three million, three hundred fifty-four thousand, seven hundred thirty-one".
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