Base | Representation |
---|---|
bin | 111010011110… |
… | …1100111100110 |
3 | 2010200202010002 |
4 | 1310331213212 |
5 | 30322123334 |
6 | 3013101302 |
7 | 521420642 |
oct | 164754746 |
9 | 63622102 |
10 | 30661094 |
11 | 16342152 |
12 | a327832 |
13 | 6476b79 |
14 | 4101c22 |
15 | 2a59b7e |
hex | 1d3d9e6 |
30661094 has 8 divisors (see below), whose sum is σ = 46105320. Its totient is φ = 15292656.
The previous prime is 30661087. The next prime is 30661097. The reversal of 30661094 is 49016603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30661097) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17924 + ... + 19559.
It is an arithmetic number, because the mean of its divisors is an integer number (5763165).
Almost surely, 230661094 is an apocalyptic number.
30661094 is a deficient number, since it is larger than the sum of its proper divisors (15444226).
30661094 is a wasteful number, since it uses less digits than its factorization.
30661094 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37894.
The product of its (nonzero) digits is 3888, while the sum is 29.
The square root of 30661094 is about 5537.2460664124. The cubic root of 30661094 is about 312.9891016154.
Adding to 30661094 its reverse (49016603), we get a palindrome (79677697).
The spelling of 30661094 in words is "thirty million, six hundred sixty-one thousand, ninety-four".
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