Base | Representation |
---|---|
bin | 1110100011000… |
… | …0111011110001 |
3 | 11020211000202001 |
4 | 3220300323301 |
5 | 111110032331 |
6 | 10015454001 |
7 | 1340433403 |
oct | 350607361 |
9 | 136730661 |
10 | 61017841 |
11 | 31496675 |
12 | 18527301 |
13 | c845341 |
14 | 8164b73 |
15 | 5554561 |
hex | 3a30ef1 |
61017841 has 4 divisors (see below), whose sum is σ = 61250112. Its totient is φ = 60785572.
The previous prime is 61017833. The next prime is 61017851. The reversal of 61017841 is 14871016.
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 61017841 - 23 = 61017833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61017821) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115741 + ... + 116266.
It is an arithmetic number, because the mean of its divisors is an integer number (15312528).
Almost surely, 261017841 is an apocalyptic number.
It is an amenable number.
61017841 is a deficient number, since it is larger than the sum of its proper divisors (232271).
61017841 is a wasteful number, since it uses less digits than its factorization.
61017841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232270.
The product of its (nonzero) digits is 1344, while the sum is 28.
The square root of 61017841 is about 7811.3917453934. The cubic root of 61017841 is about 393.6880921902.
Adding to 61017841 its reverse (14871016), we get a palindrome (75888857).
The spelling of 61017841 in words is "sixty-one million, seventeen thousand, eight hundred forty-one".
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