Base | Representation |
---|---|
bin | 11010001100111… |
… | …01001010101100 |
3 | 120022120210121210 |
4 | 31012131022230 |
5 | 422231434030 |
6 | 33450554420 |
7 | 5306144034 |
oct | 1506351254 |
9 | 508523553 |
10 | 219796140 |
11 | 103084103 |
12 | 61738a10 |
13 | 366c89b5 |
14 | 212968c4 |
15 | 14469bb0 |
hex | d19d2ac |
219796140 has 48 divisors (see below), whose sum is σ = 617460480. Its totient is φ = 58418880.
The previous prime is 219796139. The next prime is 219796147. The reversal of 219796140 is 41697912.
219796140 is digitally balanced in base 2, because in such base 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 (219796147) 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, 12771 + ... + 24549.
It is an arithmetic number, because the mean of its divisors is an integer number (12863760).
Almost surely, 2219796140 is an apocalyptic number.
219796140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
219796140 is an abundant number, since it is smaller than the sum of its proper divisors (397664340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219796140 is a wasteful number, since it uses less digits than its factorization.
219796140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12102 (or 12100 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 39.
The square root of 219796140 is about 14825.5232622663. The cubic root of 219796140 is about 603.4945517769.
The spelling of 219796140 in words is "two hundred nineteen million, seven hundred ninety-six thousand, one hundred forty".
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