Base | Representation |
---|---|
bin | 1100111101111… |
… | …0001110101110 |
3 | 10210100011210200 |
4 | 3033132032232 |
5 | 102410401010 |
6 | 5221414330 |
7 | 1230200343 |
oct | 317361656 |
9 | 123304720 |
10 | 54387630 |
11 | 28778260 |
12 | 1626a3a6 |
13 | b36353b |
14 | 731a7ca |
15 | 4b94cc0 |
hex | 33de3ae |
54387630 has 96 divisors (see below), whose sum is σ = 155776608. Its totient is φ = 13056000.
The previous prime is 54387589. The next prime is 54387631. The reversal of 54387630 is 3678345.
It is a happy number.
54387630 is a `hidden beast` number, since 543 + 87 + 6 + 30 = 666.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54387631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135430 + ... + 135830.
It is an arithmetic number, because the mean of its divisors is an integer number (1622673).
Almost surely, 254387630 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54387630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77888304).
54387630 is an abundant number, since it is smaller than the sum of its proper divisors (101388978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54387630 is a wasteful number, since it uses less digits than its factorization.
54387630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 562 (or 559 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 54387630 is about 7374.7969463572. The cubic root of 54387630 is about 378.8785728244.
The spelling of 54387630 in words is "fifty-four million, three hundred eighty-seven thousand, six hundred thirty".
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