Base | Representation |
---|---|
bin | 111111111000… |
… | …0011110110101 |
3 | 2100000111211120 |
4 | 1333300132311 |
5 | 32033201434 |
6 | 3153454153 |
7 | 554445006 |
oct | 177603665 |
9 | 70014746 |
10 | 33490869 |
11 | 179a5205 |
12 | b271359 |
13 | 6c27ba9 |
14 | 463b1ad |
15 | 2e18349 |
hex | 1ff07b5 |
33490869 has 4 divisors (see below), whose sum is σ = 44654496. Its totient is φ = 22327244.
The previous prime is 33490843. The next prime is 33490889. The reversal of 33490869 is 96809433.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 33490869 - 216 = 33425333 is a prime.
It is a super-2 number, since 2×334908692 = 2243276612750322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 33490869.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33490889) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5581809 + ... + 5581814.
It is an arithmetic number, because the mean of its divisors is an integer number (11163624).
Almost surely, 233490869 is an apocalyptic number.
It is an amenable number.
33490869 is a deficient number, since it is larger than the sum of its proper divisors (11163627).
33490869 is a wasteful number, since it uses less digits than its factorization.
33490869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11163626.
The product of its (nonzero) digits is 139968, while the sum is 42.
The square root of 33490869 is about 5787.1295993783. The cubic root of 33490869 is about 322.3359949712.
The spelling of 33490869 in words is "thirty-three million, four hundred ninety thousand, eight hundred sixty-nine".
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