Base | Representation |
---|---|
bin | 1000011001111… |
… | …10011000000000 |
3 | 11220200021122110 |
4 | 10030332120000 |
5 | 121022310310 |
6 | 10555135320 |
7 | 1514216514 |
oct | 414763000 |
9 | 156607573 |
10 | 70510080 |
11 | 3688a2a3 |
12 | 1b744540 |
13 | 117b9a54 |
14 | 9516144 |
15 | 62cbd20 |
hex | 433e600 |
70510080 has 80 divisors (see below), whose sum is σ = 225436464. Its totient is φ = 18800640.
The previous prime is 70510061. The next prime is 70510103. The reversal of 70510080 is 8001507.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-3 number, since 3×705100803 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3090 + ... + 12270.
Almost surely, 270510080 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70510080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112718232).
70510080 is an abundant number, since it is smaller than the sum of its proper divisors (154926384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70510080 is an equidigital number, since it uses as much as digits as its factorization.
70510080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9207 (or 9191 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 21.
The square root of 70510080 is about 8397.0280456838. The cubic root of 70510080 is about 413.1271488708.
Adding to 70510080 its reverse (8001507), we get a palindrome (78511587).
The spelling of 70510080 in words is "seventy million, five hundred ten thousand, eighty".
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