Base | Representation |
---|---|
bin | 111001111001… |
… | …0011111000001 |
3 | 2010010002221222 |
4 | 1303302133001 |
5 | 30232301340 |
6 | 3002324425 |
7 | 515666501 |
oct | 163623701 |
9 | 63102858 |
10 | 30353345 |
11 | 16151a10 |
12 | a1b9715 |
13 | 6399a79 |
14 | 4061a01 |
15 | 29e88b5 |
hex | 1cf27c1 |
30353345 has 16 divisors (see below), whose sum is σ = 40333248. Its totient is φ = 21743040.
The previous prime is 30353341. The next prime is 30353363. The reversal of 30353345 is 54335303.
It is not a de Polignac number, because 30353345 - 22 = 30353341 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30353341) 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, 434 + ... + 7803.
It is an arithmetic number, because the mean of its divisors is an integer number (2520828).
Almost surely, 230353345 is an apocalyptic number.
It is an amenable number.
30353345 is a deficient number, since it is larger than the sum of its proper divisors (9979903).
30353345 is a wasteful number, since it uses less digits than its factorization.
30353345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8320.
The product of its (nonzero) digits is 8100, while the sum is 26.
The square root of 30353345 is about 5509.3869894935. The cubic root of 30353345 is about 311.9384089742.
Adding to 30353345 its reverse (54335303), we get a palindrome (84688648).
The spelling of 30353345 in words is "thirty million, three hundred fifty-three thousand, three hundred forty-five".
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