Base | Representation |
---|---|
bin | 11110111101010010… |
… | …001100101000101000 |
3 | 10011210120202001212010 |
4 | 132331102030220220 |
5 | 1021034022411430 |
6 | 23134225515520 |
7 | 2254505015625 |
oct | 367522145050 |
9 | 104716661763 |
10 | 33240435240 |
11 | 131083a4a91 |
12 | 65381a2ba0 |
13 | 31998205bc |
14 | 187495b34c |
15 | ce8362cb0 |
hex | 7bd48ca28 |
33240435240 has 128 divisors (see below), whose sum is σ = 105746290560. Its totient is φ = 8330133504.
The previous prime is 33240435157. The next prime is 33240435247. The reversal of 33240435240 is 4253404233.
It is a super-2 number, since 2×332404352402 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 33240435198 and 33240435207.
It is not an unprimeable number, because it can be changed into a prime (33240435247) 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, 1381392 + ... + 1405248.
It is an arithmetic number, because the mean of its divisors is an integer number (826142895).
Almost surely, 233240435240 is an apocalyptic number.
33240435240 is a gapful number since it is divisible by the number (30) 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 33240435240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52873145280).
33240435240 is an abundant number, since it is smaller than the sum of its proper divisors (72505855320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33240435240 is a wasteful number, since it uses less digits than its factorization.
33240435240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24571 (or 24567 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 30.
Adding to 33240435240 its reverse (4253404233), we get a palindrome (37493839473).
The spelling of 33240435240 in words is "thirty-three billion, two hundred forty million, four hundred thirty-five thousand, two hundred forty".
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