Base | Representation |
---|---|
bin | 1101001001001… |
… | …0001001010101 |
3 | 10211201121200120 |
4 | 3102102021111 |
5 | 103102441230 |
6 | 5245302153 |
7 | 1236360006 |
oct | 322221125 |
9 | 124647616 |
10 | 55124565 |
11 | 291309a1 |
12 | 16564959 |
13 | b560ab2 |
14 | 746d1ad |
15 | 4c8d310 |
hex | 3492255 |
55124565 has 8 divisors (see below), whose sum is σ = 88199328. Its totient is φ = 29399760.
The previous prime is 55124539. The next prime is 55124569. The reversal of 55124565 is 56542155.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 55124565 - 27 = 55124437 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55124569) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837471 + ... + 1837500.
It is an arithmetic number, because the mean of its divisors is an integer number (11024916).
Almost surely, 255124565 is an apocalyptic number.
It is an amenable number.
55124565 is a deficient number, since it is larger than the sum of its proper divisors (33074763).
55124565 is a wasteful number, since it uses less digits than its factorization.
55124565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3674979.
The product of its digits is 30000, while the sum is 33.
The square root of 55124565 is about 7424.5919079772. The cubic root of 55124565 is about 380.5821294680.
The spelling of 55124565 in words is "fifty-five million, one hundred twenty-four thousand, five hundred sixty-five".
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