Base | Representation |
---|---|
bin | 11010001000101… |
… | …01111110001110 |
3 | 120021112200000020 |
4 | 31010111332032 |
5 | 422111224012 |
6 | 33431043010 |
7 | 5301346422 |
oct | 1504257616 |
9 | 507480006 |
10 | 219242382 |
11 | 102836057 |
12 | 61510466 |
13 | 36563928 |
14 | 21190b82 |
15 | 143aaa8c |
hex | d115f8e |
219242382 has 32 divisors (see below), whose sum is σ = 444454560. Its totient is φ = 72092160.
The previous prime is 219242369. The next prime is 219242383. The reversal of 219242382 is 283242912.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (219242383) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183178 + ... + 184370.
It is an arithmetic number, because the mean of its divisors is an integer number (13889205).
Almost surely, 2219242382 is an apocalyptic number.
219242382 is an abundant number, since it is smaller than the sum of its proper divisors (225212178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219242382 is a wasteful number, since it uses less digits than its factorization.
219242382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1588.
The product of its digits is 13824, while the sum is 33.
The square root of 219242382 is about 14806.8356511444. The cubic root of 219242382 is about 602.9873075278.
The spelling of 219242382 in words is "two hundred nineteen million, two hundred forty-two thousand, three hundred eighty-two".
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