Base | Representation |
---|---|
bin | 1111010101111… |
… | …1001011011100 |
3 | 11111002110201000 |
4 | 3311133023130 |
5 | 112433243423 |
6 | 10215150300 |
7 | 1410664020 |
oct | 365371334 |
9 | 144073630 |
10 | 64352988 |
11 | 33364397 |
12 | 19675390 |
13 | 104423bb |
14 | 8792380 |
15 | 59b2843 |
hex | 3d5f2dc |
64352988 has 96 divisors (see below), whose sum is σ = 199019520. Its totient is φ = 17582400.
The previous prime is 64352947. The next prime is 64352989. The reversal of 64352988 is 88925346.
64352988 is a `hidden beast` number, since 6 + 43 + 529 + 88 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64352989) 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 in 31 ways as a sum of consecutive naturals, for example, 15538 + ... + 19238.
It is an arithmetic number, because the mean of its divisors is an integer number (2073120).
Almost surely, 264352988 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64352988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99509760).
64352988 is an abundant number, since it is smaller than the sum of its proper divisors (134666532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64352988 is a wasteful number, since it uses less digits than its factorization.
64352988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3744 (or 3736 counting only the distinct ones).
The product of its digits is 414720, while the sum is 45.
The square root of 64352988 is about 8022.0314135511. The cubic root of 64352988 is about 400.7340437920.
The spelling of 64352988 in words is "sixty-four million, three hundred fifty-two thousand, nine hundred eighty-eight".
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