Base | Representation |
---|---|
bin | 100010010101… |
… | …101011011101 |
3 | 121221100000001 |
4 | 202111223131 |
5 | 4301023233 |
6 | 520534301 |
7 | 136341001 |
oct | 42255335 |
9 | 17840001 |
10 | 9001693 |
11 | 5099118 |
12 | 3021391 |
13 | 1b3235c |
14 | 12a4701 |
15 | bcc27d |
hex | 895add |
9001693 has 8 divisors (see below), whose sum is σ = 9331128. Its totient is φ = 8676864.
The previous prime is 9001691. The next prime is 9001723. The reversal of 9001693 is 3961009.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 13689 + 8988004 = 117^2 + 2998^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 9001693 - 21 = 9001691 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9001691) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3105 + ... + 5257.
It is an arithmetic number, because the mean of its divisors is an integer number (1166391).
Almost surely, 29001693 is an apocalyptic number.
It is an amenable number.
9001693 is a deficient number, since it is larger than the sum of its proper divisors (329435).
9001693 is a wasteful number, since it uses less digits than its factorization.
9001693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2303.
The product of its (nonzero) digits is 1458, while the sum is 28.
The square root of 9001693 is about 3000.2821533982. The cubic root of 9001693 is about 208.0214243834.
It can be divided in two parts, 90016 and 93, that added together give a palindrome (90109).
The spelling of 9001693 in words is "nine million, one thousand, six hundred ninety-three".
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