Base | Representation |
---|---|
bin | 1110101010110… |
… | …0110010101000 |
3 | 11021202210122122 |
4 | 3222230302220 |
5 | 111222301120 |
6 | 10034410412 |
7 | 1344645434 |
oct | 352546250 |
9 | 137683578 |
10 | 61525160 |
11 | 31802844 |
12 | 18730a08 |
13 | c992228 |
14 | 82579c4 |
15 | 5604a25 |
hex | 3aacca8 |
61525160 has 64 divisors (see below), whose sum is σ = 142143120. Its totient is φ = 23961600.
The previous prime is 61525157. The next prime is 61525181. The reversal of 61525160 is 6152516.
61525160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 36264484 + 25260676 = 6022^2 + 5026^2 .
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 15 ways as a sum of consecutive naturals, for example, 391802 + ... + 391958.
Almost surely, 261525160 is an apocalyptic number.
It is an amenable number.
61525160 is an abundant number, since it is smaller than the sum of its proper divisors (80617960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61525160 is a wasteful number, since it uses less digits than its factorization.
61525160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 366 (or 362 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 61525160 is about 7843.7975496567. The cubic root of 61525160 is about 394.7761590280.
Adding to 61525160 its reverse (6152516), we get a palindrome (67677676).
The spelling of 61525160 in words is "sixty-one million, five hundred twenty-five thousand, one hundred sixty".
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