Base | Representation |
---|---|
bin | 111010001101… |
… | …0100001011110 |
3 | 2010102102220221 |
4 | 1310122201132 |
5 | 30303023332 |
6 | 3010031554 |
7 | 520251562 |
oct | 164324136 |
9 | 63372827 |
10 | 30517342 |
11 | 16254149 |
12 | a2785ba |
13 | 64265cb |
14 | 40a56a2 |
15 | 2a2c297 |
hex | 1d1a85e |
30517342 has 4 divisors (see below), whose sum is σ = 45776016. Its totient is φ = 15258670.
The previous prime is 30517339. The next prime is 30517351. The reversal of 30517342 is 24371503.
It is a semiprime because it is the product of two primes.
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 as a sum of consecutive naturals, namely, 7629334 + ... + 7629337.
It is an arithmetic number, because the mean of its divisors is an integer number (11444004).
Almost surely, 230517342 is an apocalyptic number.
30517342 is a deficient number, since it is larger than the sum of its proper divisors (15258674).
30517342 is a wasteful number, since it uses less digits than its factorization.
30517342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15258673.
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 30517342 is about 5524.2503563832. The cubic root of 30517342 is about 312.4991940246.
Adding to 30517342 its reverse (24371503), we get a palindrome (54888845).
The spelling of 30517342 in words is "thirty million, five hundred seventeen thousand, three hundred forty-two".
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