Base | Representation |
---|---|
bin | 1110101110010… |
… | …1101001110100 |
3 | 11022012122010212 |
4 | 3223211221310 |
5 | 111302224233 |
6 | 10043404552 |
7 | 1346635451 |
oct | 353455164 |
9 | 138178125 |
10 | 61758068 |
11 | 31951829 |
12 | 18823758 |
13 | ca44248 |
14 | 82b8828 |
15 | 564da48 |
hex | 3ae5a74 |
61758068 has 12 divisors (see below), whose sum is σ = 108928512. Its totient is φ = 30635640.
The previous prime is 61758061. The next prime is 61758077. The reversal of 61758068 is 86085716.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61758061) 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, 60278 + ... + 61293.
It is an arithmetic number, because the mean of its divisors is an integer number (9077376).
Almost surely, 261758068 is an apocalyptic number.
It is an amenable number.
61758068 is a deficient number, since it is larger than the sum of its proper divisors (47170444).
61758068 is a wasteful number, since it uses less digits than its factorization.
61758068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121702 (or 121700 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 41.
The square root of 61758068 is about 7858.6301605305. The cubic root of 61758068 is about 395.2736831066.
It can be divided in two parts, 617 and 58068, that added together give a palindrome (58685).
The spelling of 61758068 in words is "sixty-one million, seven hundred fifty-eight thousand, sixty-eight".
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