Base | Representation |
---|---|
bin | 1000011000001… |
… | …11111110110010 |
3 | 11220020222000200 |
4 | 10030013332302 |
5 | 120443143112 |
6 | 10550300030 |
7 | 1512301122 |
oct | 414077662 |
9 | 156228020 |
10 | 70287282 |
11 | 3674796a |
12 | 1b657616 |
13 | 1173c510 |
14 | 9498c82 |
15 | 6285cdc |
hex | 4307fb2 |
70287282 has 48 divisors (see below), whose sum is σ = 173660760. Its totient is φ = 20353536.
The previous prime is 70287281. The next prime is 70287293. The reversal of 70287282 is 28278207.
It can be written as a sum of positive squares in 4 ways, for example, as 47734281 + 22553001 = 6909^2 + 4749^2 .
It is not an unprimeable number, because it can be changed into a prime (70287281) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4857 + ... + 12812.
Almost surely, 270287282 is an apocalyptic number.
70287282 is an abundant number, since it is smaller than the sum of its proper divisors (103373478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70287282 is a wasteful number, since it uses less digits than its factorization.
70287282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17707 (or 17704 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The square root of 70287282 is about 8383.7510697778. The cubic root of 70287282 is about 412.6915562107.
The spelling of 70287282 in words is "seventy million, two hundred eighty-seven thousand, two hundred eighty-two".
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