Base | Representation |
---|---|
bin | 1000011100001… |
… | …10111110111000 |
3 | 11221020101121021 |
4 | 10032012332320 |
5 | 121111314410 |
6 | 11005352224 |
7 | 1516565542 |
oct | 416067670 |
9 | 157211537 |
10 | 70807480 |
11 | 36a72787 |
12 | 1b868674 |
13 | 11892223 |
14 | 9592692 |
15 | 6339eda |
hex | 4386fb8 |
70807480 has 16 divisors (see below), whose sum is σ = 159316920. Its totient is φ = 28322976.
The previous prime is 70807469. The next prime is 70807481. The reversal of 70807480 is 8470807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70807481) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885054 + ... + 885133.
Almost surely, 270807480 is an apocalyptic number.
It is an amenable number.
70807480 is an abundant number, since it is smaller than the sum of its proper divisors (88509440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70807480 is a wasteful number, since it uses less digits than its factorization.
70807480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1770198 (or 1770194 counting only the distinct ones).
The product of its (nonzero) digits is 12544, while the sum is 34.
The square root of 70807480 is about 8414.7180582596. The cubic root of 70807480 is about 413.7071684349.
The spelling of 70807480 in words is "seventy million, eight hundred seven thousand, four hundred eighty".
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