Base | Representation |
---|---|
bin | 1111010010010… |
… | …0001010001101 |
3 | 11110122012002120 |
4 | 3310210022031 |
5 | 112403024440 |
6 | 10210043153 |
7 | 1405636152 |
oct | 364441215 |
9 | 143565076 |
10 | 64111245 |
11 | 33209800 |
12 | 195794b9 |
13 | 10389363 |
14 | 872c229 |
15 | 5965dd0 |
hex | 3d2428d |
64111245 has 24 divisors (see below), whose sum is σ = 112754208. Its totient is φ = 31083360.
The previous prime is 64111231. The next prime is 64111253. The reversal of 64111245 is 54211146.
It is a happy number.
It is not a de Polignac number, because 64111245 - 25 = 64111213 is a prime.
It is a super-2 number, since 2×641112452 = 8220503470900050, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15847 + ... + 19476.
It is an arithmetic number, because the mean of its divisors is an integer number (4698092).
Almost surely, 264111245 is an apocalyptic number.
It is an amenable number.
64111245 is a deficient number, since it is larger than the sum of its proper divisors (48642963).
64111245 is a wasteful number, since it uses less digits than its factorization.
64111245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35353 (or 35342 counting only the distinct ones).
The product of its digits is 960, while the sum is 24.
The square root of 64111245 is about 8006.9497937729. The cubic root of 64111245 is about 400.2316262640.
Subtracting from 64111245 its reverse (54211146), we obtain a palindrome (9900099).
The spelling of 64111245 in words is "sixty-four million, one hundred eleven thousand, two hundred forty-five".
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