Base | Representation |
---|---|
bin | 1100011100100… |
… | …0101010011110 |
3 | 10122020010212200 |
4 | 3013020222132 |
5 | 101330432032 |
6 | 5102512330 |
7 | 1202465556 |
oct | 307105236 |
9 | 118203780 |
10 | 52202142 |
11 | 27515273 |
12 | 155956a6 |
13 | aa79855 |
14 | 6d0c166 |
15 | 48b247c |
hex | 31c8a9e |
52202142 has 12 divisors (see below), whose sum is σ = 113104680. Its totient is φ = 17400708.
The previous prime is 52202123. The next prime is 52202147. The reversal of 52202142 is 24120225.
52202142 is a `hidden beast` number, since 522 + 0 + 2 + 142 = 666.
52202142 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 (18), and also a Moran number because the ratio is a prime number: 2900119 = 52202142 / (5 + 2 + 2 + 0 + 2 + 1 + 4 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52202147) 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 5 ways as a sum of consecutive naturals, for example, 1450042 + ... + 1450077.
It is an arithmetic number, because the mean of its divisors is an integer number (9425390).
Almost surely, 252202142 is an apocalyptic number.
52202142 is an abundant number, since it is smaller than the sum of its proper divisors (60902538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52202142 is a wasteful number, since it uses less digits than its factorization.
52202142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2900127 (or 2900124 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 18.
The square root of 52202142 is about 7225.1049819362. The cubic root of 52202142 is about 373.7341424203.
Adding to 52202142 its reverse (24120225), we get a palindrome (76322367).
The spelling of 52202142 in words is "fifty-two million, two hundred two thousand, one hundred forty-two".
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