Base | Representation |
---|---|
bin | 1100101001001… |
… | …1000001110111 |
3 | 10200210020220021 |
4 | 3022103001313 |
5 | 102033443111 |
6 | 5132350011 |
7 | 1212520264 |
oct | 312230167 |
9 | 120706807 |
10 | 53031031 |
11 | 27a30aa9 |
12 | 15915307 |
13 | aca9c11 |
14 | 708626b |
15 | 49c7d71 |
hex | 3293077 |
53031031 has 8 divisors (see below), whose sum is σ = 55409760. Its totient is φ = 50658432.
The previous prime is 53031023. The next prime is 53031067. The reversal of 53031031 is 13013035.
53031031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 53031031 - 23 = 53031023 is a prime.
It is a super-2 number, since 2×530310312 = 5624580497845922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 53030996 and 53031014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53031091) 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 7 ways as a sum of consecutive naturals, for example, 32155 + ... + 33763.
It is an arithmetic number, because the mean of its divisors is an integer number (6926220).
Almost surely, 253031031 is an apocalyptic number.
53031031 is a deficient number, since it is larger than the sum of its proper divisors (2378729).
53031031 is a wasteful number, since it uses less digits than its factorization.
53031031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3065.
The product of its (nonzero) digits is 135, while the sum is 16.
The square root of 53031031 is about 7282.2407952498. The cubic root of 53031031 is about 375.7018701153.
Adding to 53031031 its reverse (13013035), we get a palindrome (66044066).
The spelling of 53031031 in words is "fifty-three million, thirty-one thousand, thirty-one".
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