Base | Representation |
---|---|
bin | 1100110101000… |
… | …0110010111110 |
3 | 10202020202010200 |
4 | 3031100302332 |
5 | 102233331233 |
6 | 5201144330 |
7 | 1222235364 |
oct | 315206276 |
9 | 122222120 |
10 | 53808318 |
11 | 28411a93 |
12 | 1602b0a6 |
13 | b1bc955 |
14 | 7209634 |
15 | 4acd313 |
hex | 3350cbe |
53808318 has 24 divisors (see below), whose sum is σ = 119429856. Its totient is φ = 17498400.
The previous prime is 53808299. The next prime is 53808341. The reversal of 53808318 is 81380835.
It is a happy number.
It is a super-3 number, since 3×538083183 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35718 + ... + 37193.
It is an arithmetic number, because the mean of its divisors is an integer number (4976244).
Almost surely, 253808318 is an apocalyptic number.
53808318 is an abundant number, since it is smaller than the sum of its proper divisors (65621538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53808318 is a wasteful number, since it uses less digits than its factorization.
53808318 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72960 (or 72957 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 53808318 is about 7335.4153256649. The cubic root of 53808318 is about 377.5285547746.
The spelling of 53808318 in words is "fifty-three million, eight hundred eight thousand, three hundred eighteen".
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