Base | Representation |
---|---|
bin | 1101010010111… |
… | …1010000001110 |
3 | 10212221022102101 |
4 | 3110233100032 |
5 | 103234034303 |
6 | 5311145314 |
7 | 1245010102 |
oct | 324572016 |
9 | 125838371 |
10 | 55768078 |
11 | 29530423 |
12 | 1681523a |
13 | b727982 |
14 | 7599902 |
15 | 4d68d1d |
hex | 352f40e |
55768078 has 8 divisors (see below), whose sum is σ = 88054920. Its totient is φ = 26416440.
The previous prime is 55768057. The next prime is 55768087. The reversal of 55768078 is 87086755.
55768078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×557680782 = 6220157047628168, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733753 + ... + 733828.
It is an arithmetic number, because the mean of its divisors is an integer number (11006865).
Almost surely, 255768078 is an apocalyptic number.
55768078 is a deficient number, since it is larger than the sum of its proper divisors (32286842).
55768078 is a wasteful number, since it uses less digits than its factorization.
55768078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1467602.
The product of its (nonzero) digits is 470400, while the sum is 46.
The square root of 55768078 is about 7467.8027558312. The cubic root of 55768078 is about 382.0573500146.
It can be divided in two parts, 557 and 68078, that added together give a triangular number (68635 = T370).
The spelling of 55768078 in words is "fifty-five million, seven hundred sixty-eight thousand, seventy-eight".
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