Base | Representation |
---|---|
bin | 1100101110111… |
… | …1000011001000 |
3 | 10201111101221000 |
4 | 3023233003020 |
5 | 102133023234 |
6 | 5144415000 |
7 | 1215650202 |
oct | 313570310 |
9 | 121441830 |
10 | 53407944 |
11 | 281691a7 |
12 | 15a77460 |
13 | b0ac645 |
14 | 7143772 |
15 | 4a4e899 |
hex | 32ef0c8 |
53407944 has 32 divisors (see below), whose sum is σ = 148356000. Its totient is φ = 17802576.
The previous prime is 53407919. The next prime is 53407951. The reversal of 53407944 is 44970435.
53407944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 53407899 and 53407908.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123414 + ... + 123845.
It is an arithmetic number, because the mean of its divisors is an integer number (4636125).
Almost surely, 253407944 is an apocalyptic number.
53407944 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
It is an amenable number.
53407944 is an abundant number, since it is smaller than the sum of its proper divisors (94948056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53407944 is a wasteful number, since it uses less digits than its factorization.
53407944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247274 (or 247264 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 53407944 is about 7308.0738912521. The cubic root of 53407944 is about 376.5898580779.
The spelling of 53407944 in words is "fifty-three million, four hundred seven thousand, nine hundred forty-four".
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