Base | Representation |
---|---|
bin | 101010011001000… |
… | …010100001101100 |
3 | 1211120021001121202 |
4 | 222121002201230 |
5 | 2424032111040 |
6 | 154323345032 |
7 | 23424105566 |
oct | 5231024154 |
9 | 1746231552 |
10 | 711207020 |
11 | 3355043a7 |
12 | 17a222178 |
13 | b4464474 |
14 | 6a654336 |
15 | 42688015 |
hex | 2a64286c |
711207020 has 48 divisors (see below), whose sum is σ = 1549044000. Its totient is φ = 273960960.
The previous prime is 711207011. The next prime is 711207023. The reversal of 711207020 is 20702117.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 711206983 and 711207001.
It is not an unprimeable number, because it can be changed into a prime (711207023) 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, 259055 + ... + 261785.
It is an arithmetic number, because the mean of its divisors is an integer number (32271750).
Almost surely, 2711207020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 711207020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774522000).
711207020 is an abundant number, since it is smaller than the sum of its proper divisors (837836980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
711207020 is a wasteful number, since it uses less digits than its factorization.
711207020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3218 (or 3216 counting only the distinct ones).
The product of its (nonzero) digits is 196, while the sum is 20.
The square root of 711207020 is about 26668.4648977027. The cubic root of 711207020 is about 892.6173928288.
Adding to 711207020 its reverse (20702117), we get a palindrome (731909137).
The spelling of 711207020 in words is "seven hundred eleven million, two hundred seven thousand, twenty".
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