Base | Representation |
---|---|
bin | 1111011100110… |
… | …0001010001010 |
3 | 11111221011000200 |
4 | 3313030022022 |
5 | 113042034440 |
6 | 10232513030 |
7 | 1414533306 |
oct | 367141212 |
9 | 144834020 |
10 | 64799370 |
11 | 336397a9 |
12 | 1984b776 |
13 | 1056a62c |
14 | 886ad06 |
15 | 5a4ec30 |
hex | 3dcc28a |
64799370 has 48 divisors (see below), whose sum is σ = 172074240. Its totient is φ = 16911072.
The previous prime is 64799351. The next prime is 64799377. The reversal of 64799370 is 7399746.
64799370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64799377) 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 23 ways as a sum of consecutive naturals, for example, 3430 + ... + 11889.
It is an arithmetic number, because the mean of its divisors is an integer number (3584880).
Almost surely, 264799370 is an apocalyptic number.
64799370 is an abundant number, since it is smaller than the sum of its proper divisors (107274870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64799370 is a wasteful number, since it uses less digits than its factorization.
64799370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15379 (or 15376 counting only the distinct ones).
The product of its (nonzero) digits is 285768, while the sum is 45.
The square root of 64799370 is about 8049.8055877145. The cubic root of 64799370 is about 401.6584683699.
The spelling of 64799370 in words is "sixty-four million, seven hundred ninety-nine thousand, three hundred seventy".
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