Base | Representation |
---|---|
bin | 1000010110101… |
… | …11101010010001 |
3 | 11212212220112021 |
4 | 10023113222101 |
5 | 120420324421 |
6 | 10542131441 |
7 | 1510515106 |
oct | 413275221 |
9 | 155786467 |
10 | 70089361 |
11 | 366221a1 |
12 | 1b580b81 |
13 | 116a03c4 |
14 | 9446aad |
15 | 6247341 |
hex | 42d7a91 |
70089361 has 6 divisors (see below), whose sum is σ = 71614610. Its totient is φ = 68595936.
The previous prime is 70089329. The next prime is 70089367. The reversal of 70089361 is 16398007.
It can be written as a sum of positive squares in only one way, i.e., 69205761 + 883600 = 8319^2 + 940^2 .
It is not a de Polignac number, because 70089361 - 25 = 70089329 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70089367) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13656 + ... + 18073.
Almost surely, 270089361 is an apocalyptic number.
It is an amenable number.
70089361 is a deficient number, since it is larger than the sum of its proper divisors (1525249).
70089361 is an equidigital number, since it uses as much as digits as its factorization.
70089361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31823 (or 31776 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 70089361 is about 8371.9389032649. The cubic root of 70089361 is about 412.3038278723.
The spelling of 70089361 in words is "seventy million, eighty-nine thousand, three hundred sixty-one".
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