Base | Representation |
---|---|
bin | 111010000100… |
… | …1100001010101 |
3 | 2010021220101122 |
4 | 1310021201111 |
5 | 30243311301 |
6 | 3004333325 |
7 | 516541544 |
oct | 164114125 |
9 | 63256348 |
10 | 30447701 |
11 | 16206899 |
12 | a244245 |
13 | 64009bb |
14 | 408815b |
15 | 2a1681b |
hex | 1d09855 |
30447701 has 8 divisors (see below), whose sum is σ = 30916440. Its totient is φ = 29981952.
The previous prime is 30447691. The next prime is 30447719. The reversal of 30447701 is 10774403.
It can be written as a sum of positive squares in 4 ways, for example, as 1276900 + 29170801 = 1130^2 + 5401^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30447701 - 222 = 26253397 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30440701) by changing a digit.
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, 27311 + ... + 28403.
It is an arithmetic number, because the mean of its divisors is an integer number (3864555).
Almost surely, 230447701 is an apocalyptic number.
It is an amenable number.
30447701 is a deficient number, since it is larger than the sum of its proper divisors (468739).
30447701 is a wasteful number, since it uses less digits than its factorization.
30447701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1495.
The product of its (nonzero) digits is 2352, while the sum is 26.
The square root of 30447701 is about 5517.9435480983. The cubic root of 30447701 is about 312.2613038036.
The spelling of 30447701 in words is "thirty million, four hundred forty-seven thousand, seven hundred one".
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