Base | Representation |
---|---|
bin | 100010010101… |
… | …100110101010 |
3 | 121221022120200 |
4 | 202111212222 |
5 | 4301021021 |
6 | 520533030 |
7 | 136340052 |
oct | 42254652 |
9 | 17838520 |
10 | 9001386 |
11 | 5098969 |
12 | 3021176 |
13 | 1b32184 |
14 | 12a4562 |
15 | bcc126 |
hex | 8959aa |
9001386 has 24 divisors (see below), whose sum is σ = 19980324. Its totient is φ = 2927040.
The previous prime is 9001351. The next prime is 9001387. The reversal of 9001386 is 6831009.
It can be written as a sum of positive squares in 2 ways, for example, as 8732025 + 269361 = 2955^2 + 519^2 .
It is not an unprimeable number, because it can be changed into a prime (9001387) 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, 5361 + ... + 6836.
Almost surely, 29001386 is an apocalyptic number.
9001386 is an abundant number, since it is smaller than the sum of its proper divisors (10978938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9001386 is a wasteful number, since it uses less digits than its factorization.
9001386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12246 (or 12243 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 9001386 is about 3000.2309911072. The cubic root of 9001386 is about 208.0190595207.
The spelling of 9001386 in words is "nine million, one thousand, three hundred eighty-six".
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