Base | Representation |
---|---|
bin | 1100011111101… |
… | …0110111010000 |
3 | 10122121120221011 |
4 | 3013322313100 |
5 | 101404022020 |
6 | 5111140304 |
7 | 1204313206 |
oct | 307726720 |
9 | 118546834 |
10 | 52407760 |
11 | 276457a9 |
12 | 15674694 |
13 | ab1c312 |
14 | 6d63076 |
15 | 490335a |
hex | 31fadd0 |
52407760 has 40 divisors (see below), whose sum is σ = 122626080. Its totient is φ = 20829312.
The previous prime is 52407743. The next prime is 52407767. The reversal of 52407760 is 6770425.
It is a tau number, because it is divible by the number of its divisors (40).
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52407767) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11031 + ... + 15049.
It is an arithmetic number, because the mean of its divisors is an integer number (3065652).
Almost surely, 252407760 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 52407760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61313040).
52407760 is an abundant number, since it is smaller than the sum of its proper divisors (70218320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52407760 is a wasteful number, since it uses less digits than its factorization.
52407760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4195 (or 4189 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 31.
The square root of 52407760 is about 7239.3204100938. The cubic root of 52407760 is about 374.2241976033.
The spelling of 52407760 in words is "fifty-two million, four hundred seven thousand, seven hundred sixty".
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