Base | Representation |
---|---|
bin | 1000010111110… |
… | …01010100111101 |
3 | 11220010220200200 |
4 | 10023321110331 |
5 | 120434233021 |
6 | 10545114113 |
7 | 1511631126 |
oct | 413712475 |
9 | 156126620 |
10 | 70227261 |
11 | 36706865 |
12 | 1b628939 |
13 | 1171b0c0 |
14 | 948104d |
15 | 6273126 |
hex | 42f953d |
70227261 has 12 divisors (see below), whose sum is σ = 109242588. Its totient is φ = 43216704.
The previous prime is 70227253. The next prime is 70227271. The reversal of 70227261 is 16272207.
It can be written as a sum of positive squares in 2 ways, for example, as 44156025 + 26071236 = 6645^2 + 5106^2 .
It is not a de Polignac number, because 70227261 - 23 = 70227253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70227271) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300000 + ... + 300233.
It is an arithmetic number, because the mean of its divisors is an integer number (9103549).
Almost surely, 270227261 is an apocalyptic number.
It is an amenable number.
70227261 is a deficient number, since it is larger than the sum of its proper divisors (39015327).
70227261 is a wasteful number, since it uses less digits than its factorization.
70227261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 600252 (or 600249 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 70227261 is about 8380.1707023187. The cubic root of 70227261 is about 412.5740517193.
Adding to 70227261 its reverse (16272207), we get a palindrome (86499468).
The spelling of 70227261 in words is "seventy million, two hundred twenty-seven thousand, two hundred sixty-one".
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