Base | Representation |
---|---|
bin | 111010000001… |
… | …0001110100110 |
3 | 2010020101102022 |
4 | 1310002032212 |
5 | 30241332310 |
6 | 3003543142 |
7 | 516355502 |
oct | 164021646 |
9 | 63211368 |
10 | 30417830 |
11 | 16196403 |
12 | a22aab2 |
13 | 63c0221 |
14 | 407b302 |
15 | 2a0ca55 |
hex | 1d023a6 |
30417830 has 16 divisors (see below), whose sum is σ = 54818640. Its totient is φ = 12152352.
The previous prime is 30417823. The next prime is 30417889. The reversal of 30417830 is 3871403.
It is a self number, because there is not a number n which added to its sum of digits gives 30417830.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11141 + ... + 13599.
It is an arithmetic number, because the mean of its divisors is an integer number (3426165).
Almost surely, 230417830 is an apocalyptic number.
30417830 is a deficient number, since it is larger than the sum of its proper divisors (24400810).
30417830 is a wasteful number, since it uses less digits than its factorization.
30417830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3703.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 30417830 is about 5515.2361690140. The cubic root of 30417830 is about 312.1591547737.
The spelling of 30417830 in words is "thirty million, four hundred seventeen thousand, eight hundred thirty".
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