Base | Representation |
---|---|
bin | 1100111010001… |
… | …0101101010110 |
3 | 10202212210101001 |
4 | 3032202231112 |
5 | 102330100310 |
6 | 5212253514 |
7 | 1225133506 |
oct | 316425526 |
9 | 122783331 |
10 | 54143830 |
11 | 28621074 |
12 | 1617129a |
13 | b2a9590 |
14 | 7295a06 |
15 | 4b4793a |
hex | 33a2b56 |
54143830 has 16 divisors (see below), whose sum is σ = 104955984. Its totient is φ = 19991520.
The previous prime is 54143809. The next prime is 54143851. The reversal of 54143830 is 3834145.
It is an interprime number because it is at equal distance from previous prime (54143809) and next prime (54143851).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208116 + ... + 208375.
It is an arithmetic number, because the mean of its divisors is an integer number (6559749).
Almost surely, 254143830 is an apocalyptic number.
54143830 is a deficient number, since it is larger than the sum of its proper divisors (50812154).
54143830 is a wasteful number, since it uses less digits than its factorization.
54143830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416511.
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 54143830 is about 7358.2491123908. The cubic root of 54143830 is about 378.3115997702.
Adding to 54143830 its reverse (3834145), we get a palindrome (57977975).
The spelling of 54143830 in words is "fifty-four million, one hundred forty-three thousand, eight hundred thirty".
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