Base | Representation |
---|---|
bin | 1100011011100… |
… | …1111110111101 |
3 | 10122010002101200 |
4 | 3012321332331 |
5 | 101322021023 |
6 | 5101330113 |
7 | 1202125350 |
oct | 306717675 |
9 | 118102350 |
10 | 52142013 |
11 | 27484080 |
12 | 15566939 |
13 | aa58381 |
14 | 6cd4297 |
15 | 489e743 |
hex | 31b9fbd |
52142013 has 48 divisors (see below), whose sum is σ = 95387136. Its totient is φ = 26658720.
The previous prime is 52141997. The next prime is 52142039. The reversal of 52142013 is 31024125.
It is not a de Polignac number, because 52142013 - 24 = 52141997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52142413) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45870 + ... + 46992.
It is an arithmetic number, because the mean of its divisors is an integer number (1987232).
Almost surely, 252142013 is an apocalyptic number.
It is an amenable number.
52142013 is a deficient number, since it is larger than the sum of its proper divisors (43245123).
52142013 is a wasteful number, since it uses less digits than its factorization.
52142013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1214 (or 1211 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 52142013 is about 7220.9426669930. The cubic root of 52142013 is about 373.5905921550.
Adding to 52142013 its reverse (31024125), we get a palindrome (83166138).
It can be divided in two parts, 5214 and 2013, that added together give a palindrome (7227).
The spelling of 52142013 in words is "fifty-two million, one hundred forty-two thousand, thirteen".
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