Base | Representation |
---|---|
bin | 1111100000010… |
… | …0101011101001 |
3 | 11112100220121110 |
4 | 3320010223221 |
5 | 113121442024 |
6 | 10241500533 |
7 | 1416516300 |
oct | 370045351 |
9 | 145326543 |
10 | 65030889 |
11 | 33787740 |
12 | 19941749 |
13 | 1061bb21 |
14 | 88cb437 |
15 | 5a98629 |
hex | 3e04ae9 |
65030889 has 48 divisors (see below), whose sum is σ = 111234816. Its totient is φ = 33415200.
The previous prime is 65030887. The next prime is 65030891. The reversal of 65030889 is 98803056.
65030889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (65030887) and next prime (65030891).
It is not a de Polignac number, because 65030889 - 21 = 65030887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65030881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211674 + ... + 211980.
It is an arithmetic number, because the mean of its divisors is an integer number (2317392).
Almost surely, 265030889 is an apocalyptic number.
It is an amenable number.
65030889 is a deficient number, since it is larger than the sum of its proper divisors (46203927).
65030889 is a wasteful number, since it uses less digits than its factorization.
65030889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 466 (or 459 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 65030889 is about 8064.1731752239. The cubic root of 65030889 is about 402.1362561306.
The spelling of 65030889 in words is "sixty-five million, thirty thousand, eight hundred eighty-nine".
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