Base | Representation |
---|---|
bin | 1100110110100… |
… | …0101001111010 |
3 | 10202102201012002 |
4 | 3031220221322 |
5 | 102244443132 |
6 | 5203221002 |
7 | 1223123321 |
oct | 315505172 |
9 | 122381162 |
10 | 53906042 |
11 | 28479453 |
12 | 16077762 |
13 | b225288 |
14 | 72330b8 |
15 | 4aec262 |
hex | 3368a7a |
53906042 has 8 divisors (see below), whose sum is σ = 81040500. Its totient is φ = 26892544.
The previous prime is 53906033. The next prime is 53906053. The reversal of 53906042 is 24060935.
It can be written as a sum of positive squares in 2 ways, for example, as 44102881 + 9803161 = 6641^2 + 3131^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×539060422 = 5811722728211528, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 53905996 and 53906014.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29117 + ... + 30912.
Almost surely, 253906042 is an apocalyptic number.
53906042 is a deficient number, since it is larger than the sum of its proper divisors (27134458).
53906042 is a wasteful number, since it uses less digits than its factorization.
53906042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60480.
The product of its (nonzero) digits is 6480, while the sum is 29.
The square root of 53906042 is about 7342.0734128719. The cubic root of 53906042 is about 377.7569661033.
Adding to 53906042 its reverse (24060935), we get a palindrome (77966977).
The spelling of 53906042 in words is "fifty-three million, nine hundred six thousand, forty-two".
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