Base | Representation |
---|---|
bin | 111010001011… |
… | …0000001010101 |
3 | 2010101111121221 |
4 | 1310112001111 |
5 | 30301431101 |
6 | 3005410341 |
7 | 520144036 |
oct | 164260125 |
9 | 63344557 |
10 | 30498901 |
11 | 16241304 |
12 | a2699b1 |
13 | 641b0b4 |
14 | 409ca8d |
15 | 2a26aa1 |
hex | 1d16055 |
30498901 has 4 divisors (see below), whose sum is σ = 32292972. Its totient is φ = 28704832.
The previous prime is 30498893. The next prime is 30498913. The reversal of 30498901 is 10989403.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 26275876 + 4223025 = 5126^2 + 2055^2 .
It is a cyclic number.
It is not a de Polignac number, because 30498901 - 23 = 30498893 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 (30498991) 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 3 ways as a sum of consecutive naturals, for example, 897010 + ... + 897043.
It is an arithmetic number, because the mean of its divisors is an integer number (8073243).
Almost surely, 230498901 is an apocalyptic number.
It is an amenable number.
30498901 is a deficient number, since it is larger than the sum of its proper divisors (1794071).
30498901 is a wasteful number, since it uses less digits than its factorization.
30498901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1794070.
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 30498901 is about 5522.5810089124. The cubic root of 30498901 is about 312.4362357367.
The spelling of 30498901 in words is "thirty million, four hundred ninety-eight thousand, nine hundred one".
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