Base | Representation |
---|---|
bin | 1010000111100… |
… | …10101101010111 |
3 | 12220201100202200 |
4 | 11003302231113 |
5 | 133212131330 |
6 | 12231135543 |
7 | 2050320120 |
oct | 503625527 |
9 | 186640680 |
10 | 84880215 |
11 | 43a04842 |
12 | 245145b3 |
13 | 1477b7a4 |
14 | b3b7047 |
15 | 76b9a60 |
hex | 50f2b57 |
84880215 has 24 divisors (see below), whose sum is σ = 168144288. Its totient is φ = 38802240.
The previous prime is 84880193. The next prime is 84880231. The reversal of 84880215 is 51208848.
It is not a de Polignac number, because 84880215 - 215 = 84847447 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 84880215.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134416 + ... + 135045.
It is an arithmetic number, because the mean of its divisors is an integer number (7006012).
Almost surely, 284880215 is an apocalyptic number.
84880215 is a deficient number, since it is larger than the sum of its proper divisors (83264073).
84880215 is a wasteful number, since it uses less digits than its factorization.
84880215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269479 (or 269476 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 36.
The square root of 84880215 is about 9213.0459132689. The cubic root of 84880215 is about 439.4763312006.
The spelling of 84880215 in words is "eighty-four million, eight hundred eighty thousand, two hundred fifteen".
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