Base | Representation |
---|---|
bin | 1000011010000… |
… | …11011100011001 |
3 | 11220201100010101 |
4 | 10031003130121 |
5 | 121023441331 |
6 | 10555415401 |
7 | 1514334163 |
oct | 415033431 |
9 | 156640111 |
10 | 70530841 |
11 | 368a3957 |
12 | 1b754561 |
13 | 117c6334 |
14 | 951d933 |
15 | 62d3061 |
hex | 4343719 |
70530841 has 4 divisors (see below), whose sum is σ = 74679732. Its totient is φ = 66381952.
The previous prime is 70530829. The next prime is 70530851. The reversal of 70530841 is 14803507.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 56250000 + 14280841 = 7500^2 + 3779^2 .
It is a cyclic number.
It is not a de Polignac number, because 70530841 - 225 = 36976409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70530851) 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, 2074420 + ... + 2074453.
It is an arithmetic number, because the mean of its divisors is an integer number (18669933).
Almost surely, 270530841 is an apocalyptic number.
It is an amenable number.
70530841 is a deficient number, since it is larger than the sum of its proper divisors (4148891).
70530841 is a wasteful number, since it uses less digits than its factorization.
70530841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4148890.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 70530841 is about 8398.2641658857. The cubic root of 70530841 is about 413.1676919680.
The spelling of 70530841 in words is "seventy million, five hundred thirty thousand, eight hundred forty-one".
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