Base | Representation |
---|---|
bin | 111001110100… |
… | …1111100000110 |
3 | 2010001022221120 |
4 | 1303221330012 |
5 | 30230141332 |
6 | 3001454410 |
7 | 515462445 |
oct | 163517406 |
9 | 63038846 |
10 | 30318342 |
11 | 1612868a |
12 | a1a1406 |
13 | 6386b62 |
14 | 4052d5c |
15 | 29dd32c |
hex | 1ce9f06 |
30318342 has 16 divisors (see below), whose sum is σ = 61631472. Its totient is φ = 9940320.
The previous prime is 30318331. The next prime is 30318373. The reversal of 30318342 is 24381303.
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, 41053 + ... + 41784.
It is an arithmetic number, because the mean of its divisors is an integer number (3851967).
Almost surely, 230318342 is an apocalyptic number.
30318342 is an abundant number, since it is smaller than the sum of its proper divisors (31313130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30318342 is a wasteful number, since it uses less digits than its factorization.
30318342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82903.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 30318342 is about 5506.2094039366. The cubic root of 30318342 is about 311.8184553640.
Adding to 30318342 its reverse (24381303), we get a palindrome (54699645).
The spelling of 30318342 in words is "thirty million, three hundred eighteen thousand, three hundred forty-two".
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