| Base | Representation |
|---|---|
| bin | 111001011111111… |
| … | …001100001010100 |
| 3 | 2111020011222101100 |
| 4 | 321133321201110 |
| 5 | 3433423212010 |
| 6 | 235420030100 |
| 7 | 32622334452 |
| oct | 7137714124 |
| 9 | 2436158340 |
| 10 | 964663380 |
| 11 | 45558896a |
| 12 | 22b092330 |
| 13 | 124b17145 |
| 14 | 9218d9d2 |
| 15 | 59a512c0 |
| hex | 397f9854 |
964663380 has 72 divisors (see below), whose sum is σ = 2933140392. Its totient is φ = 256628736.
The previous prime is 964663373. The next prime is 964663409. The reversal of 964663380 is 83366469.
964663380 is a `hidden beast` number, since 9 + 6 + 4 + 6 + 633 + 8 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 13927824 + 950735556 = 3732^2 + 30834^2 .
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
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 in 23 ways as a sum of consecutive naturals, for example, 71752 + ... + 84128.
It is an arithmetic number, because the mean of its divisors is an integer number (40738061).
Almost surely, 2964663380 is an apocalyptic number.
964663380 is a gapful number since it is divisible by the number (90) 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 964663380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466570196).
964663380 is an abundant number, since it is smaller than the sum of its proper divisors (1968477012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
964663380 is a wasteful number, since it uses less digits than its factorization.
964663380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12825 (or 12820 counting only the distinct ones).
The product of its (nonzero) digits is 559872, while the sum is 45.
The square root of 964663380 is about 31059.0305708340. The cubic root of 964663380 is about 988.0795952310.
The spelling of 964663380 in words is "nine hundred sixty-four million, six hundred sixty-three thousand, three hundred eighty".
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