Base | Representation |
---|---|
bin | 1100101011001… |
… | …0001111100001 |
3 | 10201000202021110 |
4 | 3022302033201 |
5 | 102102041011 |
6 | 5135213533 |
7 | 1213562106 |
oct | 312621741 |
9 | 121022243 |
10 | 53158881 |
11 | 28009066 |
12 | 159772a9 |
13 | b023179 |
14 | 70baaad |
15 | 4a00ba6 |
hex | 32b23e1 |
53158881 has 8 divisors (see below), whose sum is σ = 75047904. Its totient is φ = 33354560.
The previous prime is 53158873. The next prime is 53158901. The reversal of 53158881 is 18885135.
53158881 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 53158881 - 23 = 53158873 is a prime.
It is a super-2 number, since 2×531588812 = 5651733258344322, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (53151881) 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, 521115 + ... + 521216.
It is an arithmetic number, because the mean of its divisors is an integer number (9380988).
Almost surely, 253158881 is an apocalyptic number.
53158881 is a gapful number since it is divisible by the number (51) formed by its first and last digit.
It is an amenable number.
53158881 is a deficient number, since it is larger than the sum of its proper divisors (21889023).
53158881 is a wasteful number, since it uses less digits than its factorization.
53158881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1042351.
The product of its digits is 38400, while the sum is 39.
The square root of 53158881 is about 7291.0137155268. The cubic root of 53158881 is about 376.0035484236.
It can be divided in two parts, 5315 and 8881, that added together give a triangular number (14196 = T168).
The spelling of 53158881 in words is "fifty-three million, one hundred fifty-eight thousand, eight hundred eighty-one".
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