Base | Representation |
---|---|
bin | 1100111010110… |
… | …1110101000100 |
3 | 10202222002212002 |
4 | 3032231311010 |
5 | 102333030010 |
6 | 5213244432 |
7 | 1225413350 |
oct | 316556504 |
9 | 122862762 |
10 | 54189380 |
11 | 28652313 |
12 | 16193718 |
13 | b2c422b |
14 | 72a8460 |
15 | 4b561a5 |
hex | 33add44 |
54189380 has 48 divisors (see below), whose sum is σ = 135717120. Its totient is φ = 17770368.
The previous prime is 54189347. The next prime is 54189389. The reversal of 54189380 is 8398145.
It is not an unprimeable number, because it can be changed into a prime (54189389) 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, 5195 + ... + 11634.
It is an arithmetic number, because the mean of its divisors is an integer number (2827440).
Almost surely, 254189380 is an apocalyptic number.
It is an amenable number.
54189380 is an abundant number, since it is smaller than the sum of its proper divisors (81527740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54189380 is a wasteful number, since it uses less digits than its factorization.
54189380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16868 (or 16866 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 54189380 is about 7361.3436273550. The cubic root of 54189380 is about 378.4176584125.
The spelling of 54189380 in words is "fifty-four million, one hundred eighty-nine thousand, three hundred eighty".
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