Base | Representation |
---|---|
bin | 10000001111000… |
… | …010110001101110 |
3 | 200222112021201202 |
4 | 100033002301232 |
5 | 1024212111430 |
6 | 43010005502 |
7 | 6515116562 |
oct | 2017026156 |
9 | 628467652 |
10 | 272378990 |
11 | 12a829404 |
12 | 77276892 |
13 | 44579900 |
14 | 282636a2 |
15 | 18da4d45 |
hex | 103c2c6e |
272378990 has 48 divisors (see below), whose sum is σ = 543984336. Its totient is φ = 98092800.
The previous prime is 272378971. The next prime is 272379011. The reversal of 272378990 is 99873272.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 67325 + ... + 71255.
It is an arithmetic number, because the mean of its divisors is an integer number (11333007).
Almost surely, 2272378990 is an apocalyptic number.
272378990 is a deficient number, since it is larger than the sum of its proper divisors (271605346).
272378990 is a wasteful number, since it uses less digits than its factorization.
272378990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4005 (or 3992 counting only the distinct ones).
The product of its (nonzero) digits is 381024, while the sum is 47.
The square root of 272378990 is about 16503.9083249999. The cubic root of 272378990 is about 648.2231471861.
The spelling of 272378990 in words is "two hundred seventy-two million, three hundred seventy-eight thousand, nine hundred ninety".
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