Base | Representation |
---|---|
bin | 101010001001000… |
… | …110010010000101 |
3 | 1211021101202012222 |
4 | 222021012102011 |
5 | 2421444344401 |
6 | 154054022125 |
7 | 23343432263 |
oct | 5211062205 |
9 | 1737352188 |
10 | 707028101 |
11 | 33310a74a |
12 | 178947945 |
13 | b3630330 |
14 | 69c87433 |
15 | 4210ec1b |
hex | 2a246485 |
707028101 has 8 divisors (see below), whose sum is σ = 762023640. Its totient is φ = 652119552.
The previous prime is 707028083. The next prime is 707028103. The reversal of 707028101 is 101820707.
It is a Cunningham number, because it is equal to 265902+1.
It can be written as a sum of positive squares in 4 ways, for example, as 104571076 + 602457025 = 10226^2 + 24545^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 707028101 - 26 = 707028037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (707028103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4340 + ... + 37853.
It is an arithmetic number, because the mean of its divisors is an integer number (95252955).
Almost surely, 2707028101 is an apocalyptic number.
It is an amenable number.
707028101 is a deficient number, since it is larger than the sum of its proper divisors (54995539).
707028101 is a wasteful number, since it uses less digits than its factorization.
707028101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43495.
The product of its (nonzero) digits is 784, while the sum is 26.
The square root of 707028101 is about 26590.0000188041. Note that the first 4 decimals coincide. The cubic root of 707028101 is about 890.8656733069.
Adding to 707028101 its reverse (101820707), we get a palindrome (808848808).
The spelling of 707028101 in words is "seven hundred seven million, twenty-eight thousand, one hundred one".
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