Base | Representation |
---|---|
bin | 10001001011001110… |
… | …10101110001100110 |
3 | 212210121221120001010 |
4 | 20211213111301212 |
5 | 122341034120030 |
6 | 4122554043050 |
7 | 444335146503 |
oct | 104547256146 |
9 | 25717846033 |
10 | 9221004390 |
11 | 3a02020094 |
12 | 1954119486 |
13 | b3c4acc20 |
14 | 6369044aa |
15 | 38e7d46b0 |
hex | 2259d5c66 |
9221004390 has 64 divisors (see below), whose sum is σ = 24236755200. Its totient is φ = 2231309184.
The previous prime is 9221004383. The next prime is 9221004431. The reversal of 9221004390 is 934001229.
9221004390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
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, 177360 + ... + 223379.
It is an arithmetic number, because the mean of its divisors is an integer number (378699300).
Almost surely, 29221004390 is an apocalyptic number.
9221004390 is an abundant number, since it is smaller than the sum of its proper divisors (15015750810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9221004390 is a wasteful number, since it uses less digits than its factorization.
9221004390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400821.
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 9221004390 is about 96026.0609938781. The cubic root of 9221004390 is about 2096.9725377873.
The spelling of 9221004390 in words is "nine billion, two hundred twenty-one million, four thousand, three hundred ninety".
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