Base | Representation |
---|---|
bin | 1111010000111… |
… | …0111001000000 |
3 | 11110110202121000 |
4 | 3310032321000 |
5 | 112342233003 |
6 | 10204132000 |
7 | 1405124160 |
oct | 364167100 |
9 | 143422530 |
10 | 64024128 |
11 | 3315a303 |
12 | 19537000 |
13 | 103587cc |
14 | 87085a0 |
15 | 594a1a3 |
hex | 3d0ee40 |
64024128 has 224 divisors, whose sum is σ = 221081600. Its totient is φ = 17791488.
The previous prime is 64024123. The next prime is 64024133. The reversal of 64024128 is 82142046.
64024128 is a `hidden beast` number, since 640 + 2 + 4 + 12 + 8 = 666.
It is an interprime number because it is at equal distance from previous prime (64024123) and next prime (64024133).
It is a tau number, because it is divible by the number of its divisors (224).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (64024123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810393 + ... + 810471.
Almost surely, 264024128 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 64024128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110540800).
64024128 is an abundant number, since it is smaller than the sum of its proper divisors (157057472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64024128 is a wasteful number, since it uses less digits than its factorization.
64024128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174 (or 158 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 64024128 is about 8001.5078578978. The cubic root of 64024128 is about 400.0502603511.
The spelling of 64024128 in words is "sixty-four million, twenty-four thousand, one hundred twenty-eight".
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