Base | Representation |
---|---|
bin | 1000011010010… |
… | …01100001000000 |
3 | 11220202121020112 |
4 | 10031021201000 |
5 | 121030240322 |
6 | 11000130452 |
7 | 1514466533 |
oct | 415114100 |
9 | 156677215 |
10 | 70555712 |
11 | 36910607 |
12 | 1b766a28 |
13 | 11804756 |
14 | 9528a1a |
15 | 62da5e2 |
hex | 4349840 |
70555712 has 28 divisors (see below), whose sum is σ = 148247100. Its totient is φ = 33202176.
The previous prime is 70555703. The next prime is 70555717. The reversal of 70555712 is 21755507.
It can be written as a sum of positive squares in 2 ways, for example, as 43349056 + 27206656 = 6584^2 + 5216^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is not an unprimeable number, because it can be changed into a prime (70555717) 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, 31337 + ... + 33512.
Almost surely, 270555712 is an apocalyptic number.
It is an amenable number.
70555712 is an abundant number, since it is smaller than the sum of its proper divisors (77691388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70555712 is a wasteful number, since it uses less digits than its factorization.
70555712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64878 (or 64868 counting only the distinct ones).
The product of its (nonzero) digits is 12250, while the sum is 32.
The square root of 70555712 is about 8399.7447580269. The cubic root of 70555712 is about 413.2162508013.
The spelling of 70555712 in words is "seventy million, five hundred fifty-five thousand, seven hundred twelve".
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