Base | Representation |
---|---|
bin | 111111111000… |
… | …0000111011001 |
3 | 2100000102210000 |
4 | 1333300013121 |
5 | 32033124434 |
6 | 3153443213 |
7 | 554440434 |
oct | 177600731 |
9 | 70012700 |
10 | 33489369 |
11 | 179a4071 |
12 | b270509 |
13 | 6c272c4 |
14 | 463a81b |
15 | 2e17b99 |
hex | 1ff01d9 |
33489369 has 15 divisors (see below), whose sum is σ = 50105253. Its totient is φ = 22291524.
The previous prime is 33489361. The next prime is 33489377. The reversal of 33489369 is 96398433.
The square root of 33489369 is 5787.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (33489361) and next prime (33489377).
It is not a de Polignac number, because 33489369 - 23 = 33489361 is a prime.
It is a super-2 number, since 2×334893692 = 2243075672036322, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (33489361) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 51762 + ... + 52404.
Almost surely, 233489369 is an apocalyptic number.
33489369 is the 5787-th square number.
33489369 is the 2894-th centered octagonal number.
It is an amenable number.
33489369 is a deficient number, since it is larger than the sum of its proper divisors (16615884).
33489369 is an frugal number, since it uses more digits than its factorization.
33489369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1298 (or 646 counting only the distinct ones).
The product of its digits is 419904, while the sum is 45.
The cubic root of 33489369 is about 322.3311826027.
Multiplying 33489369 by its product of digits (419904), we get a square (14062320000576 = 37499762).
The spelling of 33489369 in words is "thirty-three million, four hundred eighty-nine thousand, three hundred sixty-nine".
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