Base | Representation |
---|---|
bin | 1110100110010… |
… | …1001011100001 |
3 | 11021012220021222 |
4 | 3221211023201 |
5 | 111133404331 |
6 | 10024224425 |
7 | 1342314326 |
oct | 351451341 |
9 | 137186258 |
10 | 61231841 |
11 | 31622430 |
12 | 1860b115 |
13 | c8bb878 |
14 | 81bcb4d |
15 | 5597b7b |
hex | 3a652e1 |
61231841 has 8 divisors (see below), whose sum is σ = 70727904. Its totient is φ = 52390720.
The previous prime is 61231823. The next prime is 61231843. The reversal of 61231841 is 14813216.
61231841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61231841 - 26 = 61231777 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 61231841.
It is not an unprimeable number, because it can be changed into a prime (61231843) 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 7 ways as a sum of consecutive naturals, for example, 163535 + ... + 163908.
It is an arithmetic number, because the mean of its divisors is an integer number (8840988).
Almost surely, 261231841 is an apocalyptic number.
It is an amenable number.
61231841 is a deficient number, since it is larger than the sum of its proper divisors (9496063).
61231841 is a wasteful number, since it uses less digits than its factorization.
61231841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 327471.
The product of its digits is 1152, while the sum is 26.
The square root of 61231841 is about 7825.0776992947. The cubic root of 61231841 is about 394.1477989996.
The spelling of 61231841 in words is "sixty-one million, two hundred thirty-one thousand, eight hundred forty-one".
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