Base | Representation |
---|---|
bin | 1101010010100… |
… | …1100101111101 |
3 | 10212220010121200 |
4 | 3110221211331 |
5 | 103232314033 |
6 | 5310450113 |
7 | 1244552361 |
oct | 324514575 |
9 | 125803550 |
10 | 55744893 |
11 | 29514a66 |
12 | 16803939 |
13 | b71a259 |
14 | 75912a1 |
15 | 4d62013 |
hex | 352997d |
55744893 has 24 divisors (see below), whose sum is σ = 84509568. Its totient is φ = 35341152.
The previous prime is 55744877. The next prime is 55744901. The reversal of 55744893 is 39844755.
55744893 is a `hidden beast` number, since 557 + 4 + 4 + 8 + 93 = 666.
It is not a de Polignac number, because 55744893 - 24 = 55744877 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55744193) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40096 + ... + 41462.
It is an arithmetic number, because the mean of its divisors is an integer number (3521232).
Almost surely, 255744893 is an apocalyptic number.
It is an amenable number.
55744893 is a deficient number, since it is larger than the sum of its proper divisors (28764675).
55744893 is a wasteful number, since it uses less digits than its factorization.
55744893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1593 (or 1590 counting only the distinct ones).
The product of its digits is 604800, while the sum is 45.
The square root of 55744893 is about 7466.2502636866. The cubic root of 55744893 is about 382.0043972155.
The spelling of 55744893 in words is "fifty-five million, seven hundred forty-four thousand, eight hundred ninety-three".
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