Base | Representation |
---|---|
bin | 1110110000011… |
… | …0111011000001 |
3 | 11022110120001212 |
4 | 3230012323001 |
5 | 111321104322 |
6 | 10050335505 |
7 | 1351043651 |
oct | 354067301 |
9 | 138416055 |
10 | 61894337 |
11 | 31a3514a |
12 | 1888a595 |
13 | ca9128b |
14 | 8312361 |
15 | 56790e2 |
hex | 3b06ec1 |
61894337 has 4 divisors (see below), whose sum is σ = 62339760. Its totient is φ = 61448916.
The previous prime is 61894333. The next prime is 61894361. The reversal of 61894337 is 73349816.
61894337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 61894337 - 22 = 61894333 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 61894294 and 61894303.
It is not an unprimeable number, because it can be changed into a prime (61894333) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 222503 + ... + 222780.
It is an arithmetic number, because the mean of its divisors is an integer number (15584940).
Almost surely, 261894337 is an apocalyptic number.
It is an amenable number.
61894337 is a deficient number, since it is larger than the sum of its proper divisors (445423).
61894337 is a wasteful number, since it uses less digits than its factorization.
61894337 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 445422.
The product of its digits is 108864, while the sum is 41.
The square root of 61894337 is about 7867.2954056652. The cubic root of 61894337 is about 395.5641929577.
The spelling of 61894337 in words is "sixty-one million, eight hundred ninety-four thousand, three hundred thirty-seven".
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