Base | Representation |
---|---|
bin | 1111111110011111… |
… | …1000000000000000 |
3 | 102001212211122022022 |
4 | 3333213320000000 |
5 | 32240343034242 |
6 | 1545320301012 |
7 | 211163602400 |
oct | 37747700000 |
9 | 12055748268 |
10 | 4288643072 |
11 | 190091101a |
12 | 9b8311768 |
13 | 53467412c |
14 | 2c980c800 |
15 | 1a178e0d2 |
hex | ff9f8000 |
4288643072 has 96 divisors (see below), whose sum is σ = 9981242640. Its totient is φ = 1837301760.
The previous prime is 4288643069. The next prime is 4288643077. The reversal of 4288643072 is 2703468824.
It is a happy number.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4288643077) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1604297 + ... + 1606967.
Almost surely, 24288643072 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 4288643072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4990621320).
4288643072 is an abundant number, since it is smaller than the sum of its proper divisors (5692599568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4288643072 is an frugal number, since it uses more digits than its factorization.
4288643072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2715 (or 2680 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 44.
The square root of 4288643072 is about 65487.7322252038. The cubic root of 4288643072 is about 1624.7004509153.
It can be divided in two parts, 42886 and 43072, that added together give a palindrome (85958).
The spelling of 4288643072 in words is "four billion, two hundred eighty-eight million, six hundred forty-three thousand, seventy-two".
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