Base | Representation |
---|---|
bin | 100010100001… |
… | …010010001111 |
3 | 122000202012201 |
4 | 202201102033 |
5 | 4304033411 |
6 | 521542331 |
7 | 136626412 |
oct | 42412217 |
9 | 18022181 |
10 | 9049231 |
11 | 5120904 |
12 | 30449a7 |
13 | 1b4ab99 |
14 | 12b7b79 |
15 | bdb3c1 |
hex | 8a148f |
9049231 has 2 divisors, whose sum is σ = 9049232. Its totient is φ = 9049230.
The previous prime is 9049211. The next prime is 9049237. The reversal of 9049231 is 1329409.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 9049231 - 25 = 9049199 is a prime.
It is a super-2 number, since 2×90492312 = 163777163382722, which contains 22 as substring.
It is an Ulam number.
9049231 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 9049231.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (9049237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4524615 + 4524616.
It is an arithmetic number, because the mean of its divisors is an integer number (4524616).
Almost surely, 29049231 is an apocalyptic number.
9049231 is a deficient number, since it is larger than the sum of its proper divisors (1).
9049231 is an equidigital number, since it uses as much as digits as its factorization.
9049231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 9049231 is about 3008.1939764583. The cubic root of 9049231 is about 208.3869691591.
The spelling of 9049231 in words is "nine million, forty-nine thousand, two hundred thirty-one".
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