Base | Representation |
---|---|
bin | 1110100110110… |
… | …0100101100100 |
3 | 11021021102220122 |
4 | 3221230211210 |
5 | 111140342210 |
6 | 10025021112 |
7 | 1342501640 |
oct | 351544544 |
9 | 137242818 |
10 | 61262180 |
11 | 31643201 |
12 | 18624798 |
13 | c8cc615 |
14 | 81c9c20 |
15 | 55a1b55 |
hex | 3a6c964 |
61262180 has 24 divisors (see below), whose sum is σ = 147029568. Its totient is φ = 21004128.
The previous prime is 61262177. The next prime is 61262191. The reversal of 61262180 is 8126216.
61262180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218654 + ... + 218933.
It is an arithmetic number, because the mean of its divisors is an integer number (6126232).
Almost surely, 261262180 is an apocalyptic number.
It is an amenable number.
61262180 is an abundant number, since it is smaller than the sum of its proper divisors (85767388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61262180 is a wasteful number, since it uses less digits than its factorization.
61262180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437603 (or 437601 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 61262180 is about 7827.0160342240. The cubic root of 61262180 is about 394.2128853743.
Adding to 61262180 its reverse (8126216), we get a palindrome (69388396).
The spelling of 61262180 in words is "sixty-one million, two hundred sixty-two thousand, one hundred eighty".
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