Base | Representation |
---|---|
bin | 1100111010110… |
… | …1000100001100 |
3 | 10202221221120020 |
4 | 3032231010030 |
5 | 102332430002 |
6 | 5213222140 |
7 | 1225401261 |
oct | 316550414 |
9 | 122857506 |
10 | 54186252 |
11 | 2864aa2a |
12 | 16191950 |
13 | b2c2993 |
14 | 72a7268 |
15 | 4b552bc |
hex | 33ad10c |
54186252 has 48 divisors (see below), whose sum is σ = 138888960. Its totient is φ = 16365888.
The previous prime is 54186227. The next prime is 54186257. The reversal of 54186252 is 25268145.
It is a super-2 number, since 2×541862522 = 5872299811615008, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (54186257) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78 + ... + 10410.
It is an arithmetic number, because the mean of its divisors is an integer number (2893520).
Almost surely, 254186252 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54186252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69444480).
54186252 is an abundant number, since it is smaller than the sum of its proper divisors (84702708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54186252 is a wasteful number, since it uses less digits than its factorization.
54186252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10382 (or 10380 counting only the distinct ones).
The product of its digits is 19200, while the sum is 33.
The square root of 54186252 is about 7361.1311630754. The cubic root of 54186252 is about 378.4103770767.
The spelling of 54186252 in words is "fifty-four million, one hundred eighty-six thousand, two hundred fifty-two".
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