Base | Representation |
---|---|
bin | 1100101101001… |
… | …0100010011001 |
3 | 10201021110201201 |
4 | 3023102202121 |
5 | 102120304121 |
6 | 5142114201 |
7 | 1214652550 |
oct | 313224231 |
9 | 121243651 |
10 | 53291161 |
11 | 28099490 |
12 | 15a1b961 |
13 | b06b441 |
14 | 7112d97 |
15 | 4a29e91 |
hex | 32d2899 |
53291161 has 16 divisors (see below), whose sum is σ = 69331968. Its totient is φ = 39718800.
The previous prime is 53291159. The next prime is 53291167. The reversal of 53291161 is 16119235.
It is not a de Polignac number, because 53291161 - 21 = 53291159 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53291167) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13275 + ... + 16816.
It is an arithmetic number, because the mean of its divisors is an integer number (4333248).
Almost surely, 253291161 is an apocalyptic number.
It is an amenable number.
53291161 is a deficient number, since it is larger than the sum of its proper divisors (16040807).
53291161 is a wasteful number, since it uses less digits than its factorization.
53291161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30132.
The product of its digits is 1620, while the sum is 28.
The square root of 53291161 is about 7300.0795201148. The cubic root of 53291161 is about 376.3151711776.
The spelling of 53291161 in words is "fifty-three million, two hundred ninety-one thousand, one hundred sixty-one".
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