Base | Representation |
---|---|
bin | 1110100011110… |
… | …1010011111111 |
3 | 11020220121021220 |
4 | 3220331103333 |
5 | 111113143133 |
6 | 10020524423 |
7 | 1341034254 |
oct | 350752377 |
9 | 136817256 |
10 | 61068543 |
11 | 31520778 |
12 | 18550713 |
13 | c862443 |
14 | 817942b |
15 | 55645b3 |
hex | 3a3d4ff |
61068543 has 8 divisors (see below), whose sum is σ = 84051456. Its totient is φ = 39399000.
The previous prime is 61068541. The next prime is 61068547. The reversal of 61068543 is 34586016.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61068543 - 21 = 61068541 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61068541) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328233 + ... + 328418.
It is an arithmetic number, because the mean of its divisors is an integer number (10506432).
Almost surely, 261068543 is an apocalyptic number.
61068543 is a deficient number, since it is larger than the sum of its proper divisors (22982913).
61068543 is a wasteful number, since it uses less digits than its factorization.
61068543 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 656685.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 61068543 is about 7814.6364598745. The cubic root of 61068543 is about 393.7971053748.
The spelling of 61068543 in words is "sixty-one million, sixty-eight thousand, five hundred forty-three".
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