Base | Representation |
---|---|
bin | 1000011101100… |
… | …01010010110010 |
3 | 11221120012100000 |
4 | 10032301102302 |
5 | 121132341121 |
6 | 11013210430 |
7 | 1521220032 |
oct | 416612262 |
9 | 157505300 |
10 | 70980786 |
11 | 37080a08 |
12 | 1b930a16 |
13 | 11923086 |
14 | 95d98c2 |
15 | 6371526 |
hex | 43b14b2 |
70980786 has 24 divisors (see below), whose sum is σ = 159488784. Its totient is φ = 23660100.
The previous prime is 70980773. The next prime is 70980841. The reversal of 70980786 is 68708907.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72540 + ... + 73511.
It is an arithmetic number, because the mean of its divisors is an integer number (6645366).
Almost surely, 270980786 is an apocalyptic number.
70980786 is an abundant number, since it is smaller than the sum of its proper divisors (88507998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70980786 is a wasteful number, since it uses less digits than its factorization.
70980786 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146068 (or 146056 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 45.
The square root of 70980786 is about 8425.0095548907. The cubic root of 70980786 is about 414.0444186745.
The spelling of 70980786 in words is "seventy million, nine hundred eighty thousand, seven hundred eighty-six".
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