Base | Representation |
---|---|
bin | 111001111000… |
… | …1110001000110 |
3 | 2010002221221010 |
4 | 1303301301012 |
5 | 30232203111 |
6 | 3002303050 |
7 | 515655102 |
oct | 163616106 |
9 | 63087833 |
10 | 30350406 |
11 | 1614a789 |
12 | a1b7a86 |
13 | 6398628 |
14 | 4060902 |
15 | 29e7aa6 |
hex | 1cf1c46 |
30350406 has 32 divisors (see below), whose sum is σ = 64735200. Its totient is φ = 9453056.
The previous prime is 30350387. The next prime is 30350431. The reversal of 30350406 is 60405303.
It is a super-2 number, since 2×303504062 = 1842294288729672, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14200 + ... + 16196.
It is an arithmetic number, because the mean of its divisors is an integer number (2022975).
Almost surely, 230350406 is an apocalyptic number.
30350406 is an abundant number, since it is smaller than the sum of its proper divisors (34384794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30350406 is a wasteful number, since it uses less digits than its factorization.
30350406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2168.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 30350406 is about 5509.1202564475. The cubic root of 30350406 is about 311.9283407091.
Adding to 30350406 its reverse (60405303), we get a palindrome (90755709).
The spelling of 30350406 in words is "thirty million, three hundred fifty thousand, four hundred six".
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