| Base | Representation |
|---|---|
| bin | 1111010110110… |
| … | …1010001100000 |
| 3 | 11111012101220020 |
| 4 | 3311231101200 |
| 5 | 112442120340 |
| 6 | 10220313440 |
| 7 | 1411324233 |
| oct | 365552140 |
| 9 | 144171806 |
| 10 | 64410720 |
| 11 | 333a3800 |
| 12 | 196a2880 |
| 13 | 1046276a |
| 14 | 87a941a |
| 15 | 59c49d0 |
| hex | 3d6d460 |
64410720 has 144 divisors (see below), whose sum is σ = 223216560. Its totient is φ = 15600640.
The previous prime is 64410719. The next prime is 64410721. The reversal of 64410720 is 2701446.
64410720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (64410719) and next prime (64410721).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64410721) 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 23 ways as a sum of consecutive naturals, for example, 57526 + ... + 58634.
It is an arithmetic number, because the mean of its divisors is an integer number (1550115).
Almost surely, 264410720 is an apocalyptic number.
64410720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64410720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111608280).
64410720 is an abundant number, since it is smaller than the sum of its proper divisors (158805840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64410720 is a wasteful number, since it uses less digits than its factorization.
64410720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1149 (or 1130 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 64410720 is about 8025.6289473162. The cubic root of 64410720 is about 400.8538427512.
The spelling of 64410720 in words is "sixty-four million, four hundred ten thousand, seven hundred twenty".
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