Base | Representation |
---|---|
bin | 1101010010111… |
… | …1010000001111 |
3 | 10212221022102102 |
4 | 3110233100033 |
5 | 103234034304 |
6 | 5311145315 |
7 | 1245010103 |
oct | 324572017 |
9 | 125838372 |
10 | 55768079 |
11 | 29530424 |
12 | 1681523b |
13 | b727983 |
14 | 7599903 |
15 | 4d68d1e |
hex | 352f40f |
55768079 has 6 divisors (see below), whose sum is σ = 56305704. Its totient is φ = 55235540.
The previous prime is 55768057. The next prime is 55768087. The reversal of 55768079 is 97086755.
It is a happy number.
It is not a de Polignac number, because 55768079 - 224 = 38990863 is a prime.
It is a super-3 number, since 3×557680793 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55768019) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9014 + ... + 13884.
It is an arithmetic number, because the mean of its divisors is an integer number (9384284).
Almost surely, 255768079 is an apocalyptic number.
55768079 is a deficient number, since it is larger than the sum of its proper divisors (537625).
55768079 is an equidigital number, since it uses as much as digits as its factorization.
55768079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5085 (or 4978 counting only the distinct ones).
The product of its (nonzero) digits is 529200, while the sum is 47.
The square root of 55768079 is about 7467.8028227853. The cubic root of 55768079 is about 382.0573522982.
The spelling of 55768079 in words is "fifty-five million, seven hundred sixty-eight thousand, seventy-nine".
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