Base | Representation |
---|---|
bin | 1111010010110… |
… | …1111101101001 |
3 | 11110201020011211 |
4 | 3310231331221 |
5 | 112410321101 |
6 | 10210553121 |
7 | 1406164216 |
oct | 364557551 |
9 | 143636154 |
10 | 64151401 |
11 | 33236996 |
12 | 195987a1 |
13 | 103a1712 |
14 | 873cb0d |
15 | 5972c51 |
hex | 3d2df69 |
64151401 has 2 divisors, whose sum is σ = 64151402. Its totient is φ = 64151400.
The previous prime is 64151371. The next prime is 64151459. The reversal of 64151401 is 10415146.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 53582400 + 10569001 = 7320^2 + 3251^2 .
It is a cyclic number.
It is not a de Polignac number, because 64151401 - 221 = 62054249 is a prime.
It is not a weakly prime, because it can be changed into another prime (64151491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32075700 + 32075701.
It is an arithmetic number, because the mean of its divisors is an integer number (32075701).
Almost surely, 264151401 is an apocalyptic number.
It is an amenable number.
64151401 is a deficient number, since it is larger than the sum of its proper divisors (1).
64151401 is an equidigital number, since it uses as much as digits as its factorization.
64151401 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 64151401 is about 8009.4569728540. The cubic root of 64151401 is about 400.3151703539.
Adding to 64151401 its reverse (10415146), we get a palindrome (74566547).
The spelling of 64151401 in words is "sixty-four million, one hundred fifty-one thousand, four hundred one".
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