Base | Representation |
---|---|
bin | 1111010001110… |
… | …0101001011110 |
3 | 11110120121220001 |
4 | 3310130221132 |
5 | 112401033403 |
6 | 10205244514 |
7 | 1405450360 |
oct | 364345136 |
9 | 143517801 |
10 | 64080478 |
11 | 33198680 |
12 | 1956373a |
13 | 10378357 |
14 | 8720d30 |
15 | 595bc1d |
hex | 3d1ca5e |
64080478 has 16 divisors (see below), whose sum is σ = 119839104. Its totient is φ = 24966360.
The previous prime is 64080473. The next prime is 64080479. The reversal of 64080478 is 87408046.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64080473) 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, 207900 + ... + 208207.
It is an arithmetic number, because the mean of its divisors is an integer number (7489944).
Almost surely, 264080478 is an apocalyptic number.
64080478 is a deficient number, since it is larger than the sum of its proper divisors (55758626).
64080478 is a wasteful number, since it uses less digits than its factorization.
64080478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 416127.
The product of its (nonzero) digits is 43008, while the sum is 37.
The square root of 64080478 is about 8005.0282947657. The cubic root of 64080478 is about 400.1675922723.
It can be divided in two parts, 640 and 80478, that added together give a palindrome (81118).
The spelling of 64080478 in words is "sixty-four million, eighty thousand, four hundred seventy-eight".
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