Base | Representation |
---|---|
bin | 100010100000… |
… | …111110100010 |
3 | 122000200111000 |
4 | 202200332202 |
5 | 4304013340 |
6 | 521532430 |
7 | 136622631 |
oct | 42407642 |
9 | 18020430 |
10 | 9047970 |
11 | 511a968 |
12 | 3044116 |
13 | 1b4a439 |
14 | 12b7518 |
15 | bdad30 |
hex | 8a0fa2 |
9047970 has 128 divisors (see below), whose sum is σ = 26542080. Its totient is φ = 2185920.
The previous prime is 9047963. The next prime is 9047999. The reversal of 9047970 is 797409.
It is a super-2 number, since 2×90479702 = 163731522241800, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is an Ulam number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192487 + ... + 192533.
It is an arithmetic number, because the mean of its divisors is an integer number (207360).
Almost surely, 29047970 is an apocalyptic number.
9047970 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 9047970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13271040).
9047970 is an abundant number, since it is smaller than the sum of its proper divisors (17494110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9047970 is a wasteful number, since it uses less digits than its factorization.
9047970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117 (or 111 counting only the distinct ones).
The product of its (nonzero) digits is 15876, while the sum is 36.
The square root of 9047970 is about 3007.9843749594. The cubic root of 9047970 is about 208.3772892141.
The spelling of 9047970 in words is "nine million, forty-seven thousand, nine hundred seventy".
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