Base | Representation |
---|---|
bin | 11010010111001… |
… | …01100101011110 |
3 | 120102010010220002 |
4 | 31023211211132 |
5 | 423103010332 |
6 | 33535454302 |
7 | 5323445642 |
oct | 1513454536 |
9 | 512103802 |
10 | 221141342 |
11 | 103912844 |
12 | 62087392 |
13 | 36a7a086 |
14 | 21526c22 |
15 | 14633562 |
hex | d2e595e |
221141342 has 16 divisors (see below), whose sum is σ = 349574400. Its totient is φ = 104630040.
The previous prime is 221141257. The next prime is 221141351. The reversal of 221141342 is 243141122.
It is a super-5 number, since 5×2211413425 (a number of 43 digits) contains 55555 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35867 + ... + 41577.
It is an arithmetic number, because the mean of its divisors is an integer number (21848400).
Almost surely, 2221141342 is an apocalyptic number.
221141342 is a deficient number, since it is larger than the sum of its proper divisors (128433058).
221141342 is a wasteful number, since it uses less digits than its factorization.
221141342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6751.
The product of its digits is 384, while the sum is 20.
The square root of 221141342 is about 14870.8218333756. The cubic root of 221141342 is about 604.7232228965.
Adding to 221141342 its reverse (243141122), we get a palindrome (464282464).
The spelling of 221141342 in words is "two hundred twenty-one million, one hundred forty-one thousand, three hundred forty-two".
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