Base | Representation |
---|---|
bin | 11010000111111… |
… | …01100100001010 |
3 | 120021100120212120 |
4 | 31003331210022 |
5 | 422100024120 |
6 | 33424552110 |
7 | 5300452104 |
oct | 1503754412 |
9 | 507316776 |
10 | 219142410 |
11 | 102777a33 |
12 | 61482636 |
13 | 3652a286 |
14 | 21166574 |
15 | 1438b140 |
hex | d0fd90a |
219142410 has 128 divisors (see below), whose sum is σ = 585252864. Its totient is φ = 52270080.
The previous prime is 219142373. The next prime is 219142411. The reversal of 219142410 is 14241912.
219142410 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (219142411) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1312147 + ... + 1312313.
It is an arithmetic number, because the mean of its divisors is an integer number (4572288).
Almost surely, 2219142410 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 219142410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292626432).
219142410 is an abundant number, since it is smaller than the sum of its proper divisors (366110454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219142410 is a wasteful number, since it uses less digits than its factorization.
219142410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308.
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 219142410 is about 14803.4593929932. The cubic root of 219142410 is about 602.8956418387.
The spelling of 219142410 in words is "two hundred nineteen million, one hundred forty-two thousand, four hundred ten".
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