Base | Representation |
---|---|
bin | 111010110100… |
… | …1000101011110 |
3 | 2011000210100011 |
4 | 1311221011132 |
5 | 30343323014 |
6 | 3020553434 |
7 | 523062004 |
oct | 165510536 |
9 | 64023304 |
10 | 30839134 |
11 | 16453997 |
12 | a3b287a |
13 | 6509c11 |
14 | 414aa74 |
15 | 2a927c4 |
hex | 1d6915e |
30839134 has 16 divisors (see below), whose sum is σ = 48063456. Its totient is φ = 14828800.
The previous prime is 30839131. The next prime is 30839143. The reversal of 30839134 is 43193803.
It is a junction number, because it is equal to n+sod(n) for n = 30839096 and 30839105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30839131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3174 + ... + 8470.
It is an arithmetic number, because the mean of its divisors is an integer number (3003966).
Almost surely, 230839134 is an apocalyptic number.
30839134 is a deficient number, since it is larger than the sum of its proper divisors (17224322).
30839134 is a wasteful number, since it uses less digits than its factorization.
30839134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5411.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 30839134 is about 5553.2993796481. The cubic root of 30839134 is about 313.5937448318.
The spelling of 30839134 in words is "thirty million, eight hundred thirty-nine thousand, one hundred thirty-four".
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