Base | Representation |
---|---|
bin | 1000010111000… |
… | …00010011101100 |
3 | 11212221201010002 |
4 | 10023200103230 |
5 | 120422443110 |
6 | 10543003432 |
7 | 1511023265 |
oct | 413402354 |
9 | 155851102 |
10 | 70124780 |
11 | 36646870 |
12 | 1b599578 |
13 | 116b356b |
14 | 945596c |
15 | 6252aa5 |
hex | 42e04ec |
70124780 has 24 divisors (see below), whose sum is σ = 160650000. Its totient is φ = 25499840.
The previous prime is 70124771. The next prime is 70124797. The reversal of 70124780 is 8742107.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 159155 + ... + 159594.
It is an arithmetic number, because the mean of its divisors is an integer number (6693750).
Almost surely, 270124780 is an apocalyptic number.
It is an amenable number.
70124780 is an abundant number, since it is smaller than the sum of its proper divisors (90525220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70124780 is a wasteful number, since it uses less digits than its factorization.
70124780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 318769 (or 318767 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 29.
The square root of 70124780 is about 8374.0539764203. The cubic root of 70124780 is about 412.3732674652.
Adding to 70124780 its reverse (8742107), we get a palindrome (78866887).
The spelling of 70124780 in words is "seventy million, one hundred twenty-four thousand, seven hundred eighty".
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