Base | Representation |
---|---|
bin | 111001010010… |
… | …0000101110101 |
3 | 2002111210111101 |
4 | 1302210011311 |
5 | 30142012440 |
6 | 2551410101 |
7 | 513161365 |
oct | 162440565 |
9 | 62453441 |
10 | 30032245 |
11 | 15a52741 |
12 | a083931 |
13 | 62b6879 |
14 | 3dba9a5 |
15 | 298369a |
hex | 1ca4175 |
30032245 has 8 divisors (see below), whose sum is σ = 36495360. Its totient is φ = 23721360.
The previous prime is 30032237. The next prime is 30032269. The reversal of 30032245 is 54223003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30032245 - 23 = 30032237 is a prime.
It is a super-4 number, since 4×300322454 (a number of 31 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37621 + ... + 38410.
It is an arithmetic number, because the mean of its divisors is an integer number (4561920).
Almost surely, 230032245 is an apocalyptic number.
It is an amenable number.
30032245 is a deficient number, since it is larger than the sum of its proper divisors (6463115).
30032245 is an equidigital number, since it uses as much as digits as its factorization.
30032245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76115.
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 30032245 is about 5480.1683368305. The cubic root of 30032245 is about 310.8345359696.
Adding to 30032245 its reverse (54223003), we get a palindrome (84255248).
The spelling of 30032245 in words is "thirty million, thirty-two thousand, two hundred forty-five".
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