Base | Representation |
---|---|
bin | 111010000001… |
… | …0010011101100 |
3 | 2010020101212101 |
4 | 1310002103230 |
5 | 30241340111 |
6 | 3003544444 |
7 | 516356446 |
oct | 164022354 |
9 | 63211771 |
10 | 30418156 |
11 | 1619667a |
12 | a22b124 |
13 | 63c0412 |
14 | 407b496 |
15 | 2a0cbc1 |
hex | 1d024ec |
30418156 has 12 divisors (see below), whose sum is σ = 53270392. Its totient is φ = 15198048.
The previous prime is 30418147. The next prime is 30418189. The reversal of 30418156 is 65181403.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9451 + ... + 12253.
Almost surely, 230418156 is an apocalyptic number.
It is an amenable number.
30418156 is a deficient number, since it is larger than the sum of its proper divisors (22852236).
30418156 is a wasteful number, since it uses less digits than its factorization.
30418156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5520 (or 5518 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 30418156 is about 5515.2657234262. The cubic root of 30418156 is about 312.1602699477.
Adding to 30418156 its reverse (65181403), we get a palindrome (95599559).
The spelling of 30418156 in words is "thirty million, four hundred eighteen thousand, one hundred fifty-six".
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