Base | Representation |
---|---|
bin | 11110001001111… |
… | …11000110101001 |
3 | 122121222222010210 |
4 | 33010333012221 |
5 | 1004224342124 |
6 | 41033531333 |
7 | 6161112063 |
oct | 1704770651 |
9 | 577888123 |
10 | 252965289 |
11 | 11a879625 |
12 | 70873b49 |
13 | 40540305 |
14 | 2584c733 |
15 | 1731ca29 |
hex | f13f1a9 |
252965289 has 8 divisors (see below), whose sum is σ = 348917760. Its totient is φ = 162828176.
The previous prime is 252965281. The next prime is 252965291. The reversal of 252965289 is 982569252.
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 252965289 - 23 = 252965281 is a prime.
It is not an unprimeable number, because it can be changed into a prime (252965281) 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, 1453737 + ... + 1453910.
It is an arithmetic number, because the mean of its divisors is an integer number (43614720).
Almost surely, 2252965289 is an apocalyptic number.
252965289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
252965289 is a deficient number, since it is larger than the sum of its proper divisors (95952471).
252965289 is a wasteful number, since it uses less digits than its factorization.
252965289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2907679.
The product of its digits is 777600, while the sum is 48.
The square root of 252965289 is about 15904.8825522228. The cubic root of 252965289 is about 632.4414285413.
The spelling of 252965289 in words is "two hundred fifty-two million, nine hundred sixty-five thousand, two hundred eighty-nine".
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