Base | Representation |
---|---|
bin | 1110101011001… |
… | …1000011111001 |
3 | 11021211002212210 |
4 | 3222303003321 |
5 | 111224111331 |
6 | 10035125333 |
7 | 1345113342 |
oct | 352630371 |
9 | 137732783 |
10 | 61550841 |
11 | 31820070 |
12 | 18743849 |
13 | c9a0b21 |
14 | 82630c9 |
15 | 560c446 |
hex | 3ab30f9 |
61550841 has 16 divisors (see below), whose sum is σ = 92418048. Its totient is φ = 36099600.
The previous prime is 61550837. The next prime is 61550851. The reversal of 61550841 is 14805516.
It is not a de Polignac number, because 61550841 - 22 = 61550837 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 61550799 and 61550808.
It is not an unprimeable number, because it can be changed into a prime (61550831) 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, 29061 + ... + 31106.
It is an arithmetic number, because the mean of its divisors is an integer number (5776128).
Almost surely, 261550841 is an apocalyptic number.
It is an amenable number.
61550841 is a deficient number, since it is larger than the sum of its proper divisors (30867207).
61550841 is a wasteful number, since it uses less digits than its factorization.
61550841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60212.
The product of its (nonzero) digits is 4800, while the sum is 30.
The square root of 61550841 is about 7845.4344047988. The cubic root of 61550841 is about 394.8310787621.
The spelling of 61550841 in words is "sixty-one million, five hundred fifty thousand, eight hundred forty-one".
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