Base | Representation |
---|---|
bin | 1101010100101… |
… | …0101101000011 |
3 | 10220011000122201 |
4 | 3111022231003 |
5 | 103301134030 |
6 | 5313414031 |
7 | 1245655645 |
oct | 325125503 |
9 | 126130581 |
10 | 55880515 |
11 | 295a7949 |
12 | 1686a317 |
13 | b766bc2 |
14 | 75c8895 |
15 | 4d8c2ca |
hex | 354ab43 |
55880515 has 8 divisors (see below), whose sum is σ = 67194000. Its totient is φ = 44612832.
The previous prime is 55880459. The next prime is 55880543. The reversal of 55880515 is 51508855.
55880515 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 cyclic number.
It is not a de Polignac number, because 55880515 - 215 = 55847747 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 8704 + ... + 13693.
It is an arithmetic number, because the mean of its divisors is an integer number (8399250).
Almost surely, 255880515 is an apocalyptic number.
55880515 is a deficient number, since it is larger than the sum of its proper divisors (11313485).
55880515 is a wasteful number, since it uses less digits than its factorization.
55880515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22901.
The product of its (nonzero) digits is 40000, while the sum is 37.
The square root of 55880515 is about 7475.3270831449. The cubic root of 55880515 is about 382.3139397253.
The spelling of 55880515 in words is "fifty-five million, eight hundred eighty thousand, five hundred fifteen".
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