Base | Representation |
---|---|
bin | 1100101001000… |
… | …0011000000001 |
3 | 10200202200222200 |
4 | 3022100120001 |
5 | 102033121121 |
6 | 5132223413 |
7 | 1212443505 |
oct | 312203001 |
9 | 120680880 |
10 | 53020161 |
11 | 27a23917 |
12 | 1590ab69 |
13 | aca4c9c |
14 | 7082305 |
15 | 49c4a26 |
hex | 3290601 |
53020161 has 24 divisors (see below), whose sum is σ = 82985760. Its totient is φ = 32489856.
The previous prime is 53020157. The next prime is 53020189. The reversal of 53020161 is 16102035.
It is not a de Polignac number, because 53020161 - 22 = 53020157 is a prime.
It is a super-2 number, since 2×530201612 = 5622274944931842, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (53020111) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2550 + ... + 10608.
It is an arithmetic number, because the mean of its divisors is an integer number (3457740).
Almost surely, 253020161 is an apocalyptic number.
53020161 is a gapful number since it is divisible by the number (51) formed by its first and last digit.
It is an amenable number.
53020161 is a deficient number, since it is larger than the sum of its proper divisors (29965599).
53020161 is a wasteful number, since it uses less digits than its factorization.
53020161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8125 (or 8122 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 53020161 is about 7281.4944207903. The cubic root of 53020161 is about 375.6761986149.
Adding to 53020161 its reverse (16102035), we get a palindrome (69122196).
The spelling of 53020161 in words is "fifty-three million, twenty thousand, one hundred sixty-one".
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