Base | Representation |
---|---|
bin | 1111010110101… |
… | …0111001110010 |
3 | 11111011220120121 |
4 | 3311222321302 |
5 | 112441313020 |
6 | 10220200454 |
7 | 1411254022 |
oct | 365527162 |
9 | 144156517 |
10 | 64401010 |
11 | 33397483 |
12 | 1969912a |
13 | 1045b20b |
14 | 87a5a82 |
15 | 59c1baa |
hex | 3d6ae72 |
64401010 has 16 divisors (see below), whose sum is σ = 116251200. Its totient is φ = 25687216.
The previous prime is 64400969. The next prime is 64401017. The reversal of 64401010 is 1010446.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (64401017) 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, 5380 + ... + 12559.
It is an arithmetic number, because the mean of its divisors is an integer number (7265700).
Almost surely, 264401010 is an apocalyptic number.
64401010 is a deficient number, since it is larger than the sum of its proper divisors (51850190).
64401010 is a wasteful number, since it uses less digits than its factorization.
64401010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18305.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 64401010 is about 8025.0239875031. The cubic root of 64401010 is about 400.8336986591.
Adding to 64401010 its reverse (1010446), we get a palindrome (65411456).
The spelling of 64401010 in words is "sixty-four million, four hundred one thousand, ten".
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