Base | Representation |
---|---|
bin | 1000010110100… |
… | …10101011001100 |
3 | 11212211212111221 |
4 | 10023102223030 |
5 | 120414201230 |
6 | 10541453124 |
7 | 1510401424 |
oct | 413225314 |
9 | 155755457 |
10 | 70068940 |
11 | 36608917 |
12 | 1b5711a4 |
13 | 11694016 |
14 | 943d484 |
15 | 624127a |
hex | 42d2acc |
70068940 has 24 divisors (see below), whose sum is σ = 147455280. Its totient is φ = 27968448.
The previous prime is 70068937. The next prime is 70068949. The reversal of 70068940 is 4986007.
It is a junction number, because it is equal to n+sod(n) for n = 70068896 and 70068905.
It is not an unprimeable number, because it can be changed into a prime (70068949) 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, 6739 + ... + 13621.
It is an arithmetic number, because the mean of its divisors is an integer number (6143970).
Almost surely, 270068940 is an apocalyptic number.
It is an amenable number.
70068940 is an abundant number, since it is smaller than the sum of its proper divisors (77386340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70068940 is a wasteful number, since it uses less digits than its factorization.
70068940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7401 (or 7399 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 70068940 is about 8370.7192044651. The cubic root of 70068940 is about 412.2637814983.
The spelling of 70068940 in words is "seventy million, sixty-eight thousand, nine hundred forty".
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