Base | Representation |
---|---|
bin | 111001011001… |
… | …0011100010110 |
3 | 2002121210010121 |
4 | 1302302130112 |
5 | 30200403110 |
6 | 2552542154 |
7 | 513524644 |
oct | 162623426 |
9 | 62553117 |
10 | 30091030 |
11 | 15a92922 |
12 | a0b195a |
13 | 6307558 |
14 | 3dd4194 |
15 | 2995cda |
hex | 1cb2716 |
30091030 has 8 divisors (see below), whose sum is σ = 54163872. Its totient is φ = 12036408.
The previous prime is 30091001. The next prime is 30091043. The reversal of 30091030 is 3019003.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30090995 and 30091013.
It is a congruent number.
It is an unprimeable number.
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, 1504542 + ... + 1504561.
It is an arithmetic number, because the mean of its divisors is an integer number (6770484).
Almost surely, 230091030 is an apocalyptic number.
30091030 is a deficient number, since it is larger than the sum of its proper divisors (24072842).
30091030 is a wasteful number, since it uses less digits than its factorization.
30091030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3009110.
The product of its (nonzero) digits is 81, while the sum is 16.
The square root of 30091030 is about 5485.5291449413. The cubic root of 30091030 is about 311.0372125597.
The spelling of 30091030 in words is "thirty million, ninety-one thousand, thirty".
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