Base | Representation |
---|---|
bin | 111111001110… |
… | …1010001001110 |
3 | 2022101012021220 |
4 | 1332131101032 |
5 | 31441300110 |
6 | 3142304210 |
7 | 551525214 |
oct | 176352116 |
9 | 68335256 |
10 | 33150030 |
11 | 17792121 |
12 | b128066 |
13 | 6b38a04 |
14 | 458ccb4 |
15 | 2d9c370 |
hex | 1f9d44e |
33150030 has 32 divisors (see below), whose sum is σ = 80655264. Its totient is φ = 8718336.
The previous prime is 33150011. The next prime is 33150031. The reversal of 33150030 is 3005133.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 33149991 and 33150009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33150031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5379 + ... + 9758.
It is an arithmetic number, because the mean of its divisors is an integer number (2520477).
Almost surely, 233150030 is an apocalyptic number.
33150030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
33150030 is an abundant number, since it is smaller than the sum of its proper divisors (47505234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33150030 is a wasteful number, since it uses less digits than its factorization.
33150030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15220.
The product of its (nonzero) digits is 135, while the sum is 15.
The square root of 33150030 is about 5757.6062734439. The cubic root of 33150030 is about 321.2387854594.
Adding to 33150030 its reverse (3005133), we get a palindrome (36155163).
The spelling of 33150030 in words is "thirty-three million, one hundred fifty thousand, thirty".
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