Base | Representation |
---|---|
bin | 10001001101010000… |
… | …10011010000100000 |
3 | 212211210222201111200 |
4 | 20212220103100200 |
5 | 122404414032230 |
6 | 4124403041200 |
7 | 444632663046 |
oct | 104650232040 |
9 | 25753881450 |
10 | 9238033440 |
11 | 3a106a1289 |
12 | 1959970200 |
13 | b42b92c9c |
14 | 638c98396 |
15 | 39104a160 |
hex | 226a13420 |
9238033440 has 72 divisors (see below), whose sum is σ = 31524794028. Its totient is φ = 2463475200.
The previous prime is 9238033411. The next prime is 9238033447. The reversal of 9238033440 is 443308329.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 8966574864 + 271458576 = 94692^2 + 16476^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 9238033395 and 9238033404.
It is not an unprimeable number, because it can be changed into a prime (9238033447) 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 11 ways as a sum of consecutive naturals, for example, 3206211 + ... + 3209090.
Almost surely, 29238033440 is an apocalyptic number.
9238033440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
9238033440 is an abundant number, since it is smaller than the sum of its proper divisors (22286760588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9238033440 is a wasteful number, since it uses less digits than its factorization.
9238033440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6415322 (or 6415311 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 36.
The square root of 9238033440 is about 96114.6889918497. The cubic root of 9238033440 is about 2098.2626174381.
The spelling of 9238033440 in words is "nine billion, two hundred thirty-eight million, thirty-three thousand, four hundred forty".
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