Base | Representation |
---|---|
bin | 1110110001101… |
… | …0110010111101 |
3 | 11022121200201211 |
4 | 3230122302331 |
5 | 111331210431 |
6 | 10052204421 |
7 | 1351533202 |
oct | 354326275 |
9 | 138550654 |
10 | 61975741 |
11 | 31a90323 |
12 | 18909711 |
13 | cabc349 |
14 | 8333ca9 |
15 | 56932b1 |
hex | 3b1acbd |
61975741 has 2 divisors, whose sum is σ = 61975742. Its totient is φ = 61975740.
The previous prime is 61975729. The next prime is 61975747. The reversal of 61975741 is 14757916.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 61559716 + 416025 = 7846^2 + 645^2 .
It is a cyclic number.
It is not a de Polignac number, because 61975741 - 217 = 61844669 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 61975694 and 61975703.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (61975747) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30987870 + 30987871.
It is an arithmetic number, because the mean of its divisors is an integer number (30987871).
Almost surely, 261975741 is an apocalyptic number.
It is an amenable number.
61975741 is a deficient number, since it is larger than the sum of its proper divisors (1).
61975741 is an equidigital number, since it uses as much as digits as its factorization.
61975741 is an evil number, because the sum of its binary digits is even.
The product of its digits is 52920, while the sum is 40.
The square root of 61975741 is about 7872.4672752575. The cubic root of 61975741 is about 395.7375335390.
The spelling of 61975741 in words is "sixty-one million, nine hundred seventy-five thousand, seven hundred forty-one".
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