Base | Representation |
---|---|
bin | 1000010010001… |
… | …01001001011001 |
3 | 11211202102022121 |
4 | 10021011021121 |
5 | 120242123431 |
6 | 10521221241 |
7 | 1502435353 |
oct | 411051131 |
9 | 154672277 |
10 | 69489241 |
11 | 36252328 |
12 | 1b331821 |
13 | 115201c3 |
14 | 932c0d3 |
15 | 6179611 |
hex | 4245259 |
69489241 has 2 divisors, whose sum is σ = 69489242. Its totient is φ = 69489240.
The previous prime is 69489227. The next prime is 69489257. The reversal of 69489241 is 14298496.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 67584841 + 1904400 = 8221^2 + 1380^2 .
It is a cyclic number.
It is not a de Polignac number, because 69489241 - 25 = 69489209 is a prime.
It is a super-2 number, since 2×694892412 = 9657509229512162, which contains 22 as substring.
It is equal to p4089796 and since 69489241 and 4089796 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (69489341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34744620 + 34744621.
It is an arithmetic number, because the mean of its divisors is an integer number (34744621).
Almost surely, 269489241 is an apocalyptic number.
It is an amenable number.
69489241 is a deficient number, since it is larger than the sum of its proper divisors (1).
69489241 is an equidigital number, since it uses as much as digits as its factorization.
69489241 is an evil number, because the sum of its binary digits is even.
The product of its digits is 124416, while the sum is 43.
The square root of 69489241 is about 8336.0206933524. The cubic root of 69489241 is about 411.1237089693.
The spelling of 69489241 in words is "sixty-nine million, four hundred eighty-nine thousand, two hundred forty-one".
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