Base | Representation |
---|---|
bin | 111111001110… |
… | …1110000001101 |
3 | 2022101022000100 |
4 | 1332131300031 |
5 | 31441331023 |
6 | 3142321313 |
7 | 551534046 |
oct | 176356015 |
9 | 68338010 |
10 | 33152013 |
11 | 17793664 |
12 | b129239 |
13 | 6b3989b |
14 | 458d8cd |
15 | 2d9cc43 |
hex | 1f9dc0d |
33152013 has 12 divisors (see below), whose sum is σ = 47965788. Its totient is φ = 22064640.
The previous prime is 33152003. The next prime is 33152059. The reversal of 33152013 is 31025133.
It can be written as a sum of positive squares in 2 ways, for example, as 30008484 + 3143529 = 5478^2 + 1773^2 .
It is not a de Polignac number, because 33152013 - 29 = 33151501 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33152003) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3373 + ... + 8813.
It is an arithmetic number, because the mean of its divisors is an integer number (3997149).
Almost surely, 233152013 is an apocalyptic number.
It is an amenable number.
33152013 is a deficient number, since it is larger than the sum of its proper divisors (14813775).
33152013 is a wasteful number, since it uses less digits than its factorization.
33152013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6124 (or 6121 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 18.
The square root of 33152013 is about 5757.7784778506. The cubic root of 33152013 is about 321.2451907207.
Adding to 33152013 its reverse (31025133), we get a palindrome (64177146).
The spelling of 33152013 in words is "thirty-three million, one hundred fifty-two thousand, thirteen".
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