Base | Representation |
---|---|
bin | 1100011110001… |
… | …0010111010001 |
3 | 10122102111021110 |
4 | 3013202113101 |
5 | 101342314114 |
6 | 5105043533 |
7 | 1203414510 |
oct | 307422721 |
9 | 118374243 |
10 | 52307409 |
11 | 27587370 |
12 | 156265a9 |
13 | aab573b |
14 | 6d38677 |
15 | 48d3759 |
hex | 31e25d1 |
52307409 has 32 divisors (see below), whose sum is σ = 87330816. Its totient is φ = 27054720.
The previous prime is 52307389. The next prime is 52307429. The reversal of 52307409 is 90470325.
52307409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (52307389) and next prime (52307429).
It is not a de Polignac number, because 52307409 - 211 = 52305361 is a prime.
It is not an unprimeable number, because it can be changed into a prime (52307429) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 84469 + ... + 85085.
It is an arithmetic number, because the mean of its divisors is an integer number (2729088).
Almost surely, 252307409 is an apocalyptic number.
It is an amenable number.
52307409 is a deficient number, since it is larger than the sum of its proper divisors (35023407).
52307409 is a wasteful number, since it uses less digits than its factorization.
52307409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1005.
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 52307409 is about 7232.3861207765. The cubic root of 52307409 is about 373.9851886763.
The spelling of 52307409 in words is "fifty-two million, three hundred seven thousand, four hundred nine".
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