Base | Representation |
---|---|
bin | 111010101110… |
… | …0001000111010 |
3 | 2010221002121011 |
4 | 1311130020322 |
5 | 30340123411 |
6 | 3015504134 |
7 | 522451261 |
oct | 165341072 |
9 | 63832534 |
10 | 30786106 |
11 | 1641806a |
12 | a38804a |
13 | 64bba40 |
14 | 41355d8 |
15 | 2a81c21 |
hex | 1d5c23a |
30786106 has 8 divisors (see below), whose sum is σ = 49731444. Its totient is φ = 14208960.
The previous prime is 30786101. The next prime is 30786127. The reversal of 30786106 is 60168703.
It can be written as a sum of positive squares in 2 ways, for example, as 30415225 + 370881 = 5515^2 + 609^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30786101) by changing a digit.
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 in 3 ways as a sum of consecutive naturals, for example, 592015 + ... + 592066.
Almost surely, 230786106 is an apocalyptic number.
30786106 is a deficient number, since it is larger than the sum of its proper divisors (18945338).
30786106 is a wasteful number, since it uses less digits than its factorization.
30786106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1184096.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 30786106 is about 5548.5228664934. The cubic root of 30786106 is about 313.4138998598.
The spelling of 30786106 in words is "thirty million, seven hundred eighty-six thousand, one hundred six".
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