Base | Representation |
---|---|
bin | 111001110111… |
… | …1111110010001 |
3 | 2010002120211221 |
4 | 1303233332101 |
5 | 30231434212 |
6 | 3002205041 |
7 | 515624503 |
oct | 163577621 |
9 | 63076757 |
10 | 30343057 |
11 | 16145208 |
12 | a1b3781 |
13 | 6395194 |
14 | 405bd73 |
15 | 29e5807 |
hex | 1ceff91 |
30343057 has 16 divisors (see below), whose sum is σ = 32901120. Its totient is φ = 27896400.
The previous prime is 30343043. The next prime is 30343069. The reversal of 30343057 is 75034303.
It is a cyclic number.
It is not a de Polignac number, because 30343057 - 27 = 30342929 is a prime.
It is a super-2 number, since 2×303430572 = 1841402216210498, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30323057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111832 + ... + 112102.
It is an arithmetic number, because the mean of its divisors is an integer number (2056320).
Almost surely, 230343057 is an apocalyptic number.
It is an amenable number.
30343057 is a deficient number, since it is larger than the sum of its proper divisors (2558063).
30343057 is a wasteful number, since it uses less digits than its factorization.
30343057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 444.
The product of its (nonzero) digits is 3780, while the sum is 25.
The square root of 30343057 is about 5508.4532311712. The cubic root of 30343057 is about 311.9031620627.
The spelling of 30343057 in words is "thirty million, three hundred forty-three thousand, fifty-seven".
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