Base | Representation |
---|---|
bin | 1110100011100… |
… | …1111110000001 |
3 | 11020212220111201 |
4 | 3220321332001 |
5 | 111112223344 |
6 | 10020341201 |
7 | 1340646322 |
oct | 350717601 |
9 | 136786451 |
10 | 61054849 |
11 | 31511459 |
12 | 18544801 |
13 | c85913b |
14 | 8174449 |
15 | 55604d4 |
hex | 3a39f81 |
61054849 has 2 divisors, whose sum is σ = 61054850. Its totient is φ = 61054848.
The previous prime is 61054787. The next prime is 61054853. The reversal of 61054849 is 94845016.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 45805824 + 15249025 = 6768^2 + 3905^2 .
It is a cyclic number.
It is not a de Polignac number, because 61054849 - 29 = 61054337 is a prime.
It is a plaindrome in base 5.
It is a zygodrome in base 5.
It is not a weakly prime, because it can be changed into another prime (61054859) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30527424 + 30527425.
It is an arithmetic number, because the mean of its divisors is an integer number (30527425).
Almost surely, 261054849 is an apocalyptic number.
It is an amenable number.
61054849 is a deficient number, since it is larger than the sum of its proper divisors (1).
61054849 is an equidigital number, since it uses as much as digits as its factorization.
61054849 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 61054849 is about 7813.7602343558. The cubic root of 61054849 is about 393.7676681750.
The spelling of 61054849 in words is "sixty-one million, fifty-four thousand, eight hundred forty-nine".
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