Base | Representation |
---|---|
bin | 111001100100… |
… | …0011111010110 |
3 | 2002210101000012 |
4 | 1303020133112 |
5 | 30211300314 |
6 | 2554520222 |
7 | 514352141 |
oct | 163103726 |
9 | 62711005 |
10 | 30181334 |
11 | 16044757 |
12 | a136072 |
13 | 63396a1 |
14 | 4019058 |
15 | 29b293e |
hex | 1cc87d6 |
30181334 has 8 divisors (see below), whose sum is σ = 45295680. Its totient is φ = 15082776.
The previous prime is 30181303. The next prime is 30181351. The reversal of 30181334 is 43318103.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4187 + ... + 8825.
It is an arithmetic number, because the mean of its divisors is an integer number (5661960).
Almost surely, 230181334 is an apocalyptic number.
30181334 is a deficient number, since it is larger than the sum of its proper divisors (15114346).
30181334 is a wasteful number, since it uses less digits than its factorization.
30181334 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7894.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 30181334 is about 5493.7540898733. The cubic root of 30181334 is about 311.3480455407.
Adding to 30181334 its reverse (43318103), we get a palindrome (73499437).
The spelling of 30181334 in words is "thirty million, one hundred eighty-one thousand, three hundred thirty-four".
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