Base | Representation |
---|---|
bin | 101011011010101… |
… | …011011110111110 |
3 | 1212202122021100120 |
4 | 223122223132332 |
5 | 2442433223032 |
6 | 200140235410 |
7 | 24023263251 |
oct | 5332533676 |
9 | 1782567316 |
10 | 728414142 |
11 | 344197365 |
12 | 183b3bb66 |
13 | b7baa5b1 |
14 | 6ca53098 |
15 | 43e3662c |
hex | 2b6ab7be |
728414142 has 16 divisors (see below), whose sum is σ = 1474381440. Its totient is φ = 239879192.
The previous prime is 728414129. The next prime is 728414143. The reversal of 728414142 is 241414827.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (728414143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730842 + ... + 731837.
It is an arithmetic number, because the mean of its divisors is an integer number (92148840).
Almost surely, 2728414142 is an apocalyptic number.
728414142 is an abundant number, since it is smaller than the sum of its proper divisors (745967298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
728414142 is a wasteful number, since it uses less digits than its factorization.
728414142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1462767.
The product of its digits is 14336, while the sum is 33.
The square root of 728414142 is about 26989.1485971677. The cubic root of 728414142 is about 899.7588415593.
Adding to 728414142 its reverse (241414827), we get a palindrome (969828969).
The spelling of 728414142 in words is "seven hundred twenty-eight million, four hundred fourteen thousand, one hundred forty-two".
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