Base | Representation |
---|---|
bin | 11110001001010… |
… | …10010110110001 |
3 | 122121211122120020 |
4 | 33010222112301 |
5 | 1004214132210 |
6 | 41032034053 |
7 | 6160306236 |
oct | 1704522661 |
9 | 577748506 |
10 | 252880305 |
11 | 11a820797 |
12 | 70832929 |
13 | 40510722 |
14 | 2582978d |
15 | 17302770 |
hex | f12a5b1 |
252880305 has 8 divisors (see below), whose sum is σ = 404608512. Its totient is φ = 134869488.
The previous prime is 252880301. The next prime is 252880339. The reversal of 252880305 is 503088252.
252880305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 252880305 - 22 = 252880301 is a prime.
It is not an unprimeable number, because it can be changed into a prime (252880301) 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, 8429329 + ... + 8429358.
It is an arithmetic number, because the mean of its divisors is an integer number (50576064).
Almost surely, 2252880305 is an apocalyptic number.
It is an amenable number.
252880305 is a deficient number, since it is larger than the sum of its proper divisors (151728207).
252880305 is a wasteful number, since it uses less digits than its factorization.
252880305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16858695.
The product of its (nonzero) digits is 19200, while the sum is 33.
The square root of 252880305 is about 15902.2106953719. The cubic root of 252880305 is about 632.3705974501.
The spelling of 252880305 in words is "two hundred fifty-two million, eight hundred eighty thousand, three hundred five".
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