Base | Representation |
---|---|
bin | 1100100001110… |
… | …0010111110101 |
3 | 10122212120012121 |
4 | 3020130113311 |
5 | 101422420023 |
6 | 5114115541 |
7 | 1205424313 |
oct | 310342765 |
9 | 118776177 |
10 | 52545013 |
11 | 27729934 |
12 | 1571bbb1 |
13 | ab69931 |
14 | 6d9b0b3 |
15 | 492dd5d |
hex | 321c5f5 |
52545013 has 16 divisors (see below), whose sum is σ = 58464000. Its totient is φ = 47017152.
The previous prime is 52545007. The next prime is 52545019. The reversal of 52545013 is 31054525.
It is an interprime number because it is at equal distance from previous prime (52545007) and next prime (52545019).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-52545013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52545019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24883 + ... + 26911.
It is an arithmetic number, because the mean of its divisors is an integer number (3654000).
Almost surely, 252545013 is an apocalyptic number.
It is an amenable number.
52545013 is a deficient number, since it is larger than the sum of its proper divisors (5918987).
52545013 is a wasteful number, since it uses less digits than its factorization.
52545013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2124.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 52545013 is about 7248.7938996774. The cubic root of 52545013 is about 374.5506035887.
Adding to 52545013 its reverse (31054525), we get a palindrome (83599538).
The spelling of 52545013 in words is "fifty-two million, five hundred forty-five thousand, thirteen".
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