Base | Representation |
---|---|
bin | 1000011100010… |
… | …00110001101100 |
3 | 11221020202200102 |
4 | 10032020301230 |
5 | 121112033303 |
6 | 11005450232 |
7 | 1516626140 |
oct | 416106154 |
9 | 157222612 |
10 | 70814828 |
11 | 36a78257 |
12 | 1b870978 |
13 | 11895686 |
14 | 9595220 |
15 | 633c288 |
hex | 4388c6c |
70814828 has 12 divisors (see below), whose sum is σ = 141629712. Its totient is φ = 30349200.
The previous prime is 70814827. The next prime is 70814833. The reversal of 70814828 is 82841807.
It is a happy number.
70814828 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 70814791 and 70814800.
It is not an unprimeable number, because it can be changed into a prime (70814827) 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 3 ways as a sum of consecutive naturals, for example, 1264523 + ... + 1264578.
It is an arithmetic number, because the mean of its divisors is an integer number (11802476).
Almost surely, 270814828 is an apocalyptic number.
It is an amenable number.
70814828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70814828 is a wasteful number, since it uses less digits than its factorization.
70814828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2529112 (or 2529110 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 38.
The square root of 70814828 is about 8415.1546628687. The cubic root of 70814828 is about 413.7214786703.
The spelling of 70814828 in words is "seventy million, eight hundred fourteen thousand, eight hundred twenty-eight".
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