Base | Representation |
---|---|
bin | 1100011111100… |
… | …1011001111101 |
3 | 10122121021202000 |
4 | 3013321121331 |
5 | 101403324124 |
6 | 5111052513 |
7 | 1204256616 |
oct | 307713175 |
9 | 118537660 |
10 | 52401789 |
11 | 27641270 |
12 | 15671139 |
13 | ab1969b |
14 | 6d60c0d |
15 | 49016c9 |
hex | 31f967d |
52401789 has 32 divisors (see below), whose sum is σ = 86313600. Its totient is φ = 31150080.
The previous prime is 52401779. The next prime is 52401793. The reversal of 52401789 is 98710425.
It is not a de Polignac number, because 52401789 - 24 = 52401773 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52401709) 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 31 ways as a sum of consecutive naturals, for example, 14077 + ... + 17405.
It is an arithmetic number, because the mean of its divisors is an integer number (2697300).
Almost surely, 252401789 is an apocalyptic number.
It is an amenable number.
52401789 is a deficient number, since it is larger than the sum of its proper divisors (33911811).
52401789 is a wasteful number, since it uses less digits than its factorization.
52401789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3402 (or 3396 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 52401789 is about 7238.9079977577. The cubic root of 52401789 is about 374.2099848382.
The spelling of 52401789 in words is "fifty-two million, four hundred one thousand, seven hundred eighty-nine".
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