Base | Representation |
---|---|
bin | 1000010110000… |
… | …10010111110000 |
3 | 11212201110220121 |
4 | 10023002113300 |
5 | 120410032120 |
6 | 10540220024 |
7 | 1510002634 |
oct | 413022760 |
9 | 155643817 |
10 | 70002160 |
11 | 36572728 |
12 | 1b53a614 |
13 | 1166c7c7 |
14 | 9422dc4 |
15 | 622b5aa |
hex | 42c25f0 |
70002160 has 20 divisors (see below), whose sum is σ = 162755208. Its totient is φ = 28000832.
The previous prime is 70002157. The next prime is 70002167. The reversal of 70002160 is 6120007.
It is a tau number, because it is divible by the number of its divisors (20).
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70002167) 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, 437434 + ... + 437593.
Almost surely, 270002160 is an apocalyptic number.
It is an amenable number.
70002160 is an abundant number, since it is smaller than the sum of its proper divisors (92753048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70002160 is a wasteful number, since it uses less digits than its factorization.
70002160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 875040 (or 875034 counting only the distinct ones).
The product of its (nonzero) digits is 84, while the sum is 16.
The square root of 70002160 is about 8366.7293490348. The cubic root of 70002160 is about 412.1327689736.
Adding to 70002160 its reverse (6120007), we get a palindrome (76122167).
The spelling of 70002160 in words is "seventy million, two thousand, one hundred sixty".
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