Base | Representation |
---|---|
bin | 1101010011011… |
… | …0111001110111 |
3 | 10212222220102000 |
4 | 3110312321313 |
5 | 103241040130 |
6 | 5311550343 |
7 | 1245200340 |
oct | 324667167 |
9 | 125886360 |
10 | 55799415 |
11 | 29551a21 |
12 | 1682b3b3 |
13 | b739009 |
14 | 75a70c7 |
15 | 4d73260 |
hex | 3536e77 |
55799415 has 64 divisors (see below), whose sum is σ = 114462720. Its totient is φ = 25263360.
The previous prime is 55799383. The next prime is 55799467. The reversal of 55799415 is 51499755.
55799415 is a `hidden beast` number, since 557 + 9 + 94 + 1 + 5 = 666.
It is not a de Polignac number, because 55799415 - 25 = 55799383 is a prime.
It is a super-2 number, since 2×557994152 = 6227149428684450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129250 + ... + 129680.
It is an arithmetic number, because the mean of its divisors is an integer number (1788480).
Almost surely, 255799415 is an apocalyptic number.
55799415 is an abundant number, since it is smaller than the sum of its proper divisors (58663305).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55799415 is a wasteful number, since it uses less digits than its factorization.
55799415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 589 (or 583 counting only the distinct ones).
The product of its digits is 283500, while the sum is 45.
The square root of 55799415 is about 7469.9006017483. The cubic root of 55799415 is about 382.1288980506.
It can be divided in two parts, 557994 and 15, that added together give a square (558009 = 7472).
The spelling of 55799415 in words is "fifty-five million, seven hundred ninety-nine thousand, four hundred fifteen".
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