Base | Representation |
---|---|
bin | 1111000010100… |
… | …0000101011001 |
3 | 11101200201202211 |
4 | 3300220011121 |
5 | 112122004440 |
6 | 10131555121 |
7 | 1364106022 |
oct | 360500531 |
9 | 141621684 |
10 | 63078745 |
11 | 32673aa4 |
12 | 1915baa1 |
13 | 100b7402 |
14 | 853dc49 |
15 | 580eeea |
hex | 3c28159 |
63078745 has 16 divisors (see below), whose sum is σ = 77905152. Its totient is φ = 49008960.
The previous prime is 63078713. The next prime is 63078749. The reversal of 63078745 is 54787036.
It is not a de Polignac number, because 63078745 - 25 = 63078713 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 63078698 and 63078707.
It is not an unprimeable number, because it can be changed into a prime (63078749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26140 + ... + 28450.
It is an arithmetic number, because the mean of its divisors is an integer number (4869072).
Almost surely, 263078745 is an apocalyptic number.
It is an amenable number.
63078745 is a deficient number, since it is larger than the sum of its proper divisors (14826407).
63078745 is a wasteful number, since it uses less digits than its factorization.
63078745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2472.
The product of its (nonzero) digits is 141120, while the sum is 40.
The square root of 63078745 is about 7942.2128528515. The cubic root of 63078745 is about 398.0714352892.
The spelling of 63078745 in words is "sixty-three million, seventy-eight thousand, seven hundred forty-five".
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