Base | Representation |
---|---|
bin | 1000011000010… |
… | …00000001010001 |
3 | 11220020222020120 |
4 | 10030020001101 |
5 | 120443144231 |
6 | 10550300453 |
7 | 1512301440 |
oct | 414100121 |
9 | 156228216 |
10 | 70287441 |
11 | 36747aa4 |
12 | 1b657729 |
13 | 1173c603 |
14 | 9498d57 |
15 | 6285d96 |
hex | 4308051 |
70287441 has 16 divisors (see below), whose sum is σ = 112742400. Its totient is φ = 38050128.
The previous prime is 70287421. The next prime is 70287491. The reversal of 70287441 is 14478207.
It is not a de Polignac number, because 70287441 - 26 = 70287377 is a prime.
It is not an unprimeable number, because it can be changed into a prime (70287421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87681 + ... + 88478.
It is an arithmetic number, because the mean of its divisors is an integer number (7046400).
Almost surely, 270287441 is an apocalyptic number.
It is an amenable number.
70287441 is a deficient number, since it is larger than the sum of its proper divisors (42454959).
70287441 is a wasteful number, since it uses less digits than its factorization.
70287441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176188.
The product of its (nonzero) digits is 12544, while the sum is 33.
The square root of 70287441 is about 8383.7605524013. The cubic root of 70287441 is about 412.6918673998.
The spelling of 70287441 in words is "seventy million, two hundred eighty-seven thousand, four hundred forty-one".
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