Base | Representation |
---|---|
bin | 1100111111111000… |
… | …0000000000000000 |
3 | 100000011102111122222 |
4 | 3033332000000000 |
5 | 24121204333030 |
6 | 1334120150212 |
7 | 152315113013 |
oct | 31776000000 |
9 | 10004374588 |
10 | 3489136640 |
11 | 1530588000 |
12 | 814608368 |
13 | 437b34ac2 |
14 | 25157137a |
15 | 1564b33e5 |
hex | cff80000 |
3489136640 has 160 divisors (see below), whose sum is σ = 9210682800. Its totient is φ = 1268776960.
The previous prime is 3489136591. The next prime is 3489136643. The reversal of 3489136640 is 466319843.
It is a tau number, because it is divible by the number of its divisors (160).
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 3489136591 and 3489136600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3489136643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317194235 + ... + 317194245.
Almost surely, 23489136640 is an apocalyptic number.
3489136640 is a droll number since its even prime factors and its odd prime factors have the same sum.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3489136640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4605341400).
3489136640 is an abundant number, since it is smaller than the sum of its proper divisors (5721546160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3489136640 is an frugal number, since it uses more digits than its factorization.
3489136640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76 (or 18 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 44.
The square root of 3489136640 is about 59068.9143289429. The cubic root of 3489136640 is about 1516.7220217824.
It can be divided in two parts, 348913 and 6640, that added together give a palindrome (355553).
The spelling of 3489136640 in words is "three billion, four hundred eighty-nine million, one hundred thirty-six thousand, six hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •