Base | Representation |
---|---|
bin | 1110101010101… |
… | …0100100001001 |
3 | 11021202100010220 |
4 | 3222222210021 |
5 | 111222003131 |
6 | 10034300253 |
7 | 1344610026 |
oct | 352524411 |
9 | 137670126 |
10 | 61516041 |
11 | 317a6a04 |
12 | 18727689 |
13 | c98b032 |
14 | 825454d |
15 | 5601e96 |
hex | 3aaa909 |
61516041 has 16 divisors (see below), whose sum is σ = 83064960. Its totient is φ = 40492800.
The previous prime is 61515967. The next prime is 61516051. The reversal of 61516041 is 14061516.
It is not a de Polignac number, because 61516041 - 27 = 61515913 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61516051) 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, 103441 + ... + 104033.
It is an arithmetic number, because the mean of its divisors is an integer number (5191560).
Almost surely, 261516041 is an apocalyptic number.
It is an amenable number.
61516041 is a deficient number, since it is larger than the sum of its proper divisors (21548919).
61516041 is a wasteful number, since it uses less digits than its factorization.
61516041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 976.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 61516041 is about 7843.2162408033. The cubic root of 61516041 is about 394.7566540447.
Adding to 61516041 its reverse (14061516), we get a palindrome (75577557).
The spelling of 61516041 in words is "sixty-one million, five hundred sixteen thousand, forty-one".
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