Base | Representation |
---|---|
bin | 1100011011010… |
… | …0101001111101 |
3 | 10122001222110101 |
4 | 3012310221331 |
5 | 101320321224 |
6 | 5101041101 |
7 | 1202004622 |
oct | 306645175 |
9 | 118058411 |
10 | 52120189 |
11 | 27469740 |
12 | 15556191 |
13 | aa4b464 |
14 | 6cca349 |
15 | 4898044 |
hex | 31b4a7d |
52120189 has 8 divisors (see below), whose sum is σ = 57041568. Its totient is φ = 47229360.
The previous prime is 52120183. The next prime is 52120193. The reversal of 52120189 is 98102125.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52120189 - 29 = 52119677 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52120183) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3987 + ... + 10960.
It is an arithmetic number, because the mean of its divisors is an integer number (7130196).
Almost surely, 252120189 is an apocalyptic number.
It is an amenable number.
52120189 is a deficient number, since it is larger than the sum of its proper divisors (4921379).
52120189 is a wasteful number, since it uses less digits than its factorization.
52120189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15275.
The product of its (nonzero) digits is 1440, while the sum is 28.
The square root of 52120189 is about 7219.4313487975. The cubic root of 52120189 is about 373.5384628618.
The spelling of 52120189 in words is "fifty-two million, one hundred twenty thousand, one hundred eighty-nine".
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