Base | Representation |
---|---|
bin | 1100110110100… |
… | …1111111110101 |
3 | 10202102222201202 |
4 | 3031221333311 |
5 | 102300132131 |
6 | 5203302245 |
7 | 1223145335 |
oct | 315517765 |
9 | 122388652 |
10 | 53911541 |
11 | 284825a2 |
12 | 1607a985 |
13 | b227928 |
14 | 72350c5 |
15 | 4aedbcb |
hex | 3369ff5 |
53911541 has 4 divisors (see below), whose sum is σ = 53991852. Its totient is φ = 53831232.
The previous prime is 53911519. The next prime is 53911577. The reversal of 53911541 is 14511935.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 41280625 + 12630916 = 6425^2 + 3554^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-53911541 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53911141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39140 + ... + 40493.
It is an arithmetic number, because the mean of its divisors is an integer number (13497963).
Almost surely, 253911541 is an apocalyptic number.
It is an amenable number.
53911541 is a deficient number, since it is larger than the sum of its proper divisors (80311).
53911541 is an equidigital number, since it uses as much as digits as its factorization.
53911541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80310.
The product of its digits is 2700, while the sum is 29.
The square root of 53911541 is about 7342.4478888175. The cubic root of 53911541 is about 377.7698107669.
The spelling of 53911541 in words is "fifty-three million, nine hundred eleven thousand, five hundred forty-one".
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