Base | Representation |
---|---|
bin | 111001110100… |
… | …1010010100010 |
3 | 2010001012022001 |
4 | 1303221102202 |
5 | 30230100212 |
6 | 3001434214 |
7 | 515451625 |
oct | 163512242 |
9 | 63035261 |
10 | 30315682 |
11 | 16126691 |
12 | a19b96a |
13 | 6385897 |
14 | 4051dbc |
15 | 29dc657 |
hex | 1ce94a2 |
30315682 has 8 divisors (see below), whose sum is σ = 46331676. Its totient is φ = 14871792.
The previous prime is 30315673. The next prime is 30315683. The reversal of 30315682 is 28651303.
It can be written as a sum of positive squares in 2 ways, for example, as 24512401 + 5803281 = 4951^2 + 2409^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30315682.
It is not an unprimeable number, because it can be changed into a prime (30315683) 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, 142893 + ... + 143104.
Almost surely, 230315682 is an apocalyptic number.
30315682 is a deficient number, since it is larger than the sum of its proper divisors (16015994).
30315682 is a wasteful number, since it uses less digits than its factorization.
30315682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286052.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 30315682 is about 5505.9678531572. The cubic root of 30315682 is about 311.8093358971.
Adding to 30315682 its reverse (28651303), we get a palindrome (58966985).
The spelling of 30315682 in words is "thirty million, three hundred fifteen thousand, six hundred eighty-two".
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