Base | Representation |
---|---|
bin | 1100111101111… |
… | …0000100101100 |
3 | 10210100010220220 |
4 | 3033132010230 |
5 | 102410340423 |
6 | 5221411340 |
7 | 1230165435 |
oct | 317360454 |
9 | 123303826 |
10 | 54386988 |
11 | 28777827 |
12 | 16269b50 |
13 | b363166 |
14 | 731a48c |
15 | 4b949e3 |
hex | 33de12c |
54386988 has 36 divisors (see below), whose sum is σ = 128365272. Its totient is φ = 17922240.
The previous prime is 54386963. The next prime is 54386993. The reversal of 54386988 is 88968345.
It is a self number, because there is not a number n which added to its sum of digits gives 54386988.
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, 193408 + ... + 193688.
It is an arithmetic number, because the mean of its divisors is an integer number (3565702).
Almost surely, 254386988 is an apocalyptic number.
It is an amenable number.
54386988 is an abundant number, since it is smaller than the sum of its proper divisors (73978284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54386988 is a wasteful number, since it uses less digits than its factorization.
54386988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 542 (or 413 counting only the distinct ones).
The product of its digits is 1658880, while the sum is 51.
The square root of 54386988 is about 7374.7534196067. The cubic root of 54386988 is about 378.8770820381.
The spelling of 54386988 in words is "fifty-four million, three hundred eighty-six thousand, nine hundred eighty-eight".
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