Base | Representation |
---|---|
bin | 1000010111010… |
… | …01000110001010 |
3 | 11220000112111100 |
4 | 10023221012022 |
5 | 120430121103 |
6 | 10543442230 |
7 | 1511233242 |
oct | 413510612 |
9 | 156015440 |
10 | 70160778 |
11 | 36670916 |
12 | 1b5b6376 |
13 | 116c6a6c |
14 | 9464b22 |
15 | 625d5a3 |
hex | 42e918a |
70160778 has 24 divisors (see below), whose sum is σ = 155551968. Its totient is φ = 22842792.
The previous prime is 70160777. The next prime is 70160789. The reversal of 70160778 is 87706107.
It is not an unprimeable number, because it can be changed into a prime (70160777) 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 11 ways as a sum of consecutive naturals, for example, 44550 + ... + 46097.
It is an arithmetic number, because the mean of its divisors is an integer number (6481332).
Almost surely, 270160778 is an apocalyptic number.
70160778 is an abundant number, since it is smaller than the sum of its proper divisors (85391190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70160778 is a wasteful number, since it uses less digits than its factorization.
70160778 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90698 (or 90695 counting only the distinct ones).
The product of its (nonzero) digits is 16464, while the sum is 36.
The square root of 70160778 is about 8376.2030777674. The cubic root of 70160778 is about 412.4438182438.
The spelling of 70160778 in words is "seventy million, one hundred sixty thousand, seven hundred seventy-eight".
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