Base | Representation |
---|---|
bin | 1101010011110… |
… | …0110101000000 |
3 | 10220001010200201 |
4 | 3110330311000 |
5 | 103242324210 |
6 | 5312254544 |
7 | 1245331153 |
oct | 324746500 |
9 | 126033621 |
10 | 55823680 |
11 | 29569180 |
12 | 16841454 |
13 | b747083 |
14 | 75b1c9a |
15 | 4d7a53a |
hex | 353cd40 |
55823680 has 56 divisors (see below), whose sum is σ = 145023840. Its totient is φ = 20298240.
The previous prime is 55823671. The next prime is 55823683. The reversal of 55823680 is 8632855.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55823683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4410 + ... + 11449.
Almost surely, 255823680 is an apocalyptic number.
It is an amenable number.
55823680 is an abundant number, since it is smaller than the sum of its proper divisors (89200160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55823680 is a wasteful number, since it uses less digits than its factorization.
55823680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15887 (or 15877 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 37.
The square root of 55823680 is about 7471.5246101448. The cubic root of 55823680 is about 382.1842810325.
The spelling of 55823680 in words is "fifty-five million, eight hundred twenty-three thousand, six hundred eighty".
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