Base | Representation |
---|---|
bin | 1100011011011… |
… | …1010101001101 |
3 | 10122002112111022 |
4 | 3012313111031 |
5 | 101321144044 |
6 | 5101203525 |
7 | 1202051600 |
oct | 306672515 |
9 | 118075438 |
10 | 52131149 |
11 | 274769a4 |
12 | 155605a5 |
13 | aa53445 |
14 | 6cd0337 |
15 | 489b3ee |
hex | 31b754d |
52131149 has 24 divisors (see below), whose sum is σ = 62594208. Its totient is φ = 43273440.
The previous prime is 52131143. The next prime is 52131169. The reversal of 52131149 is 94113125.
It is a de Polignac number, because none of the positive numbers 2k-52131149 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52131143) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319742 + ... + 319904.
It is an arithmetic number, because the mean of its divisors is an integer number (2608092).
Almost surely, 252131149 is an apocalyptic number.
It is an amenable number.
52131149 is a deficient number, since it is larger than the sum of its proper divisors (10463059).
52131149 is a wasteful number, since it uses less digits than its factorization.
52131149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 345 (or 338 counting only the distinct ones).
The product of its digits is 1080, while the sum is 26.
The square root of 52131149 is about 7220.1903714514. The cubic root of 52131149 is about 373.5646439809.
The spelling of 52131149 in words is "fifty-two million, one hundred thirty-one thousand, one hundred forty-nine".
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